IronScheme (version 115672, 20th November 2015) fails the following test case

The reason why tests/ast-construction.scm and <code c

Using a new IronScheme version (commit <a class="commit-link" data-hovercard-

tests/patterns.scm: <div class="snippet-clipboard-content notranslate position-r

composed-petrinets/examples/purchase-processing.scm: <div class="snippet-clipboa

IronScheme fails test suite,about christoff-buerger/racr

Comments (25)

christoff-buerger commented on August 30, 2024

The reason why tests/ast-construction.scm and tests/patterns.scm fail is not clear and needs further investigations.

The errors of the other tests look similar to issue #37. The state machines and composed Petri nets are based on transitive closure computations via circular reference attributes. The stack overflow is a hint, that fixpoint computation does not properly terminate. This is most likely due to an erroneous equal? implementation in IronScheme; the same issue GNU Guile suffers from (cf. issue #37). its not 100% clear though.

I can only suggest not to use circular attributes with cached AST nodes in IronScheme, as they most likely do not work.

from racr.

christoff-buerger commented on August 30, 2024

Using a new IronScheme version (commit IronScheme/IronScheme@29c36d1), examples/state-machines/state-machines.scm now passes.

from racr.

christoff-buerger commented on August 30, 2024

Activating the Mono's LLVM backend via mono --llvm makes things worse, but the error messages are more precise. The following additional tests fail:

of examples/ttc-2015-fuml-activity-diagrams/examples/contest-tests the following:
- test5.ad
- test6_false.ad
- test6_true.ad
- testperformance_variant3_2.ad
all SiPLE tests

tests/ast-construction.scm:

[ERROR] FATAL UNHANDLED EXCEPTION: System.StackOverflowException: The requested operation caused a stack overflow.
  at System.Globalization.TextInfo.get_IsAsciiCasingSameAsInvariant () <0x24a9960 + 0x0000b> in <filename unknown>:0 
  at System.Globalization.TextInfo.ToLower (Char c) <0x24a9710 + 0x00030> in <filename unknown>:0 
  at System.Char.ToLower (Char c, System.Globalization.CultureInfo culture) <0x240ea30 + 0x00033> in <filename unknown>:0 
  at System.Text.RegularExpressions.RegexBoyerMoore.Scan (System.String text, Int32 index, Int32 beglimit, Int32 endlimit) <0x3c39a00 + 0x000db> in <filename unknown>:0 
  at System.Text.RegularExpressions.RegexInterpreter.FindFirstChar () <0x3c39200 + 0x000d7> in <filename unknown>:0 
  at System.Text.RegularExpressions.RegexRunner.Scan (System.Text.RegularExpressions.Regex regex, System.String text, Int32 textbeg, Int32 textend, Int32 textstart, Int32 prevlen, Boolean quick, TimeSpan timeout) <0x3c38828 + 0x001d4> in <filename unknown>:0 
  at System.Text.RegularExpressions.Regex.Run (Boolean quick, Int32 prevlen, System.String input, Int32 beginning, Int32 length, Int32 startat) <0x3c37ce0 + 0x00144> in <filename unknown>:0 
  at System.Text.RegularExpressions.Regex.Match (System.String input, Int32 startat) <0x3c377b0 + 0x00046> in <filename unknown>:0 
  at System.Text.RegularExpressions.RegexReplacement.Replace (System.Text.RegularExpressions.MatchEvaluator evaluator, System.Text.RegularExpressions.Regex regex, System.String input, Int32 count, Int32 startat) <0x3c372a0 + 0x00057> in <filename unknown>:0 
  at System.Text.RegularExpressions.Regex.Replace (System.String input, System.Text.RegularExpressions.MatchEvaluator evaluator, Int32 count, Int32 startat) <0x3c36df0 + 0x00038> in <filename unknown>:0 
  at System.Text.RegularExpressions.Regex.Replace (System.String input, System.Text.RegularExpressions.MatchEvaluator evaluator) <0x3c36c60 + 0x00045> in <filename unknown>:0 
  at IronScheme.Scripting.SymbolTable.StringToId (System.String field) <0x3c36a08 + 0x000cb> in <filename unknown>:0 
  at IronScheme.Scripting.SymbolTable.StringToObject (System.String name) <0x17ec6b8 + 0x0001f> in <filename unknown>:0 
  at #.ironscheme.base::string->symbol (System.Object str) <0x4850b90 + 0x00052> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.base::vector-map (System.Object p, System.Object vec) <0x49e41f0 + 0x0016f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::get-field-pairs (System.Object rtd, System.Object rec) <0x49e3c48 + 0x00013> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0020b> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49e50f0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49e4fb8 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49e4b20 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49e50f0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49e4fb8 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49e4b20 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49e50f0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49e4fb8 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49e4b20 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49e50f0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49e4fb8 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49e4b20 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49e50f0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49e4fb8 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49e4b20 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49e50f0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49e4fb8 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49e4b20 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49e50f0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49e4fb8 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49e4b20 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49e50f0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49e4fb8 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49e4b20 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49e50f0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49e4fb8 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49e4b20 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49e50f0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49e4fb8 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49e4b20 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49e50f0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49e4fb8 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49e4b20 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49e50f0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49e4fb8 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49e4b20 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49e50f0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49e4fb8 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49e4b20 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49e50f0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49e4fb8 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49e4b20 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49e50f0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49e4fb8 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49e4b20 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49e50f0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49e4fb8 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49e4b20 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49e50f0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49e4fb8 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49e4b20 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49e50f0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49e4fb8 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49e4b20 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49e50f0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49e4fb8 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49e4b20 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49e50f0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49e4fb8 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49e4b20 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49e50f0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49e4fb8 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49e4b20 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49e50f0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49e4fb8 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49e4b20 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49e50f0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49e4fb8 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49e4b20 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49e50f0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49e4fb8 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49e4b20 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49e50f0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49e4fb8 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49e4b20 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49e50f0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49e4fb8 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49e4b20 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49e50f0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49e4fb8 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49e4b20 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49e50f0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49e4fb8 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49e4b20 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49e50f0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49e4fb8 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49e4b20 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49e50f0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49e4fb8 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49e4b20 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49e50f0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49e4fb8 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49e4b20 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49e50f0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49e4fb8 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49e4b20 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49e50f0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49e4fb8 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49e4b20 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49e50f0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49e4fb8 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49e4b20 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49e50f0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49e4fb8 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49e4b20 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49e50f0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49e4fb8 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49e4b20 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49e50f0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49e4fb8 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49e4b20 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49e50f0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49e4fb8 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49e4b20 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49e50f0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49e4fb8 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49e4b20 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49e50f0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49e4fb8 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49e4b20 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49e50f0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49e4fb8 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49e4b20 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49e50f0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49e4fb8 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49e4b20 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49e50f0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49e4fb8 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49e4b20 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49e50f0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49e4fb8 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49e4b20 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49e50f0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49e4fb8 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49e4b20 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49e50f0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49e4fb8 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49e4b20 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49e50f0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49e4fb8 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49e4b20 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49e50f0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49e4fb8 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49e4b20 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49e2be8 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49e50f0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49e4fb8 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49e4b20 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0

from racr.

christoff-buerger commented on August 30, 2024

tests/patterns.scm:

[ERROR] FATAL UNHANDLED EXCEPTION: System.StackOverflowException: The requested operation caused a stack overflow.
  at System.Nullable`1[T].get_Value () <0x2770640 + 0x00007> 23709 in <filename unknown>:0 
  at System.Globalization.TextInfo.get_IsAsciiCasingSameAsInvariant () <0x242e960 + 0x000f0> in <filename unknown>:0 
  at System.Globalization.TextInfo.ToLower (Char c) <0x242e710 + 0x00030> in <filename unknown>:0 
  at System.Char.ToLower (Char c, System.Globalization.CultureInfo culture) <0x2393a30 + 0x00033> in <filename unknown>:0 
  at System.Text.RegularExpressions.RegexBoyerMoore.Scan (System.String text, Int32 index, Int32 beglimit, Int32 endlimit) <0x3c04a00 + 0x000db> in <filename unknown>:0 
  at System.Text.RegularExpressions.RegexInterpreter.FindFirstChar () <0x3c04200 + 0x000d7> in <filename unknown>:0 
  at System.Text.RegularExpressions.RegexRunner.Scan (System.Text.RegularExpressions.Regex regex, System.String text, Int32 textbeg, Int32 textend, Int32 textstart, Int32 prevlen, Boolean quick, TimeSpan timeout) <0x3c03828 + 0x001d4> in <filename unknown>:0 
  at System.Text.RegularExpressions.Regex.Run (Boolean quick, Int32 prevlen, System.String input, Int32 beginning, Int32 length, Int32 startat) <0x3c02ce0 + 0x00144> in <filename unknown>:0 
  at System.Text.RegularExpressions.Regex.Match (System.String input, Int32 startat) <0x3c027b0 + 0x00046> in <filename unknown>:0 
  at System.Text.RegularExpressions.RegexReplacement.Replace (System.Text.RegularExpressions.MatchEvaluator evaluator, System.Text.RegularExpressions.Regex regex, System.String input, Int32 count, Int32 startat) <0x3c022a0 + 0x00057> in <filename unknown>:0 
  at System.Text.RegularExpressions.Regex.Replace (System.String input, System.Text.RegularExpressions.MatchEvaluator evaluator, Int32 count, Int32 startat) <0x3c01df0 + 0x00038> in <filename unknown>:0 
  at System.Text.RegularExpressions.Regex.Replace (System.String input, System.Text.RegularExpressions.MatchEvaluator evaluator) <0x3c01c60 + 0x00045> in <filename unknown>:0 
  at IronScheme.Scripting.SymbolTable.StringToId (System.String field) <0x3c01a08 + 0x000cb> in <filename unknown>:0 
  at IronScheme.Scripting.SymbolTable.StringToObject (System.String name) <0x37586b8 + 0x0001f> in <filename unknown>:0 
  at #.ironscheme.base::string->symbol (System.Object str) <0x4818b90 + 0x00052> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.base::vector-map (System.Object p, System.Object vec) <0x49cd620 + 0x0016f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::get-field-pairs (System.Object rtd, System.Object rec) <0x49cd070 + 0x00013> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0020b> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49ce518 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47c1168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49ce3e0 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48218f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49cdf50 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49ce518 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47c1168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49ce3e0 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48218f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49cdf50 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49ce518 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47c1168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49ce3e0 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48218f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49cdf50 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49ce518 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47c1168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49ce3e0 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48218f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49cdf50 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49ce518 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47c1168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49ce3e0 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48218f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49cdf50 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49ce518 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47c1168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49ce3e0 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48218f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49cdf50 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49ce518 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47c1168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49ce3e0 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48218f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49cdf50 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49ce518 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47c1168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49ce3e0 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48218f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49cdf50 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49ce518 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47c1168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49ce3e0 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48218f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49cdf50 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49ce518 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47c1168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49ce3e0 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48218f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49cdf50 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49ce518 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47c1168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49ce3e0 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48218f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49cdf50 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49ce518 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47c1168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49ce3e0 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48218f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49cdf50 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49ce518 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47c1168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49ce3e0 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48218f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49cdf50 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49ce518 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47c1168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49ce3e0 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48218f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49cdf50 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49ce518 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47c1168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49ce3e0 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48218f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49cdf50 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49ce518 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47c1168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49ce3e0 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48218f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49cdf50 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49ce518 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47c1168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49ce3e0 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48218f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49cdf50 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49ce518 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47c1168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49ce3e0 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48218f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49cdf50 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49ce518 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47c1168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49ce3e0 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48218f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49cdf50 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49ce518 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47c1168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49ce3e0 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48218f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49cdf50 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49ce518 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47c1168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49ce3e0 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48218f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49cdf50 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49ce518 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47c1168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49ce3e0 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48218f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49cdf50 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49ce518 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47c1168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49ce3e0 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48218f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49cdf50 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49ce518 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47c1168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49ce3e0 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48218f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49cdf50 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49ce518 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47c1168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49ce3e0 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48218f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49cdf50 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49ce518 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47c1168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49ce3e0 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48218f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49cdf50 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49ce518 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47c1168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49ce3e0 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48218f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49cdf50 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49ce518 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47c1168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49ce3e0 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48218f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49cdf50 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49ce518 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47c1168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49ce3e0 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48218f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49cdf50 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49ce518 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47c1168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49ce3e0 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48218f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49cdf50 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49ce518 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47c1168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49ce3e0 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48218f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49cdf50 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49ce518 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47c1168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49ce3e0 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48218f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49cdf50 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49ce518 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47c1168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49ce3e0 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48218f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49cdf50 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49ce518 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47c1168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49ce3e0 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48218f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49cdf50 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49ce518 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47c1168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49ce3e0 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48218f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49cdf50 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49ce518 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47c1168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49ce3e0 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48218f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49cdf50 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49ce518 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47c1168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49ce3e0 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48218f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49cdf50 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49ce518 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47c1168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49ce3e0 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48218f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49cdf50 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49ce518 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47c1168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49ce3e0 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48218f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49cdf50 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49ce518 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47c1168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49ce3e0 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48218f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49cdf50 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49ce518 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47c1168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49ce3e0 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48218f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49cdf50 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49ce518 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47c1168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49ce3e0 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48218f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49cdf50 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49ce518 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47c1168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49ce3e0 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48218f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49cdf50 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49ce518 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47c1168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49ce3e0 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48218f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49cdf50 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49ce518 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47c1168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49ce3e0 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48218f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49cdf50 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49ce518 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47c1168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49ce3e0 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48218f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49cdf50 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49ce518 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47c1168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49ce3e0 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48218f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49cdf50 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49ce518 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47c1168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49ce3e0 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48218f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49cdf50 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4822ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49cc010 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4832e80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4954230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4953ed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49ce518 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47c1168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49ce3e0 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48218f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49cdf50 + 0x002e1> in <filename unknown>:0

from racr.

christoff-buerger commented on August 30, 2024

examples/ttc-2015-fuml-activity-diagrams/examples/contest-tests: test5.ad, test6_false.ad, test6_true.ad, testperformance_variant3_2.ad:

Unhandled CLR exception during evaluation:
CLR Exception: System.InvalidCastException
System.InvalidCastException: Specified cast is not valid.
  at racr.core.att-value+ (System.Object name, System.Object n, System.Object args) <0x52d75a0 + 0x00afd> in <filename unknown>:0 
  at ttc-2015-fuml-activity-diagrams.user-interface.run-activity-diagram (System.Object diagram-file, System.Object input-file, System.Object mode, System.Object print-trace?) <0x52c6410 + 0x0019e> in <filename unknown>:0 
  at eval-core(005).$2 () <0x529dad0 + 0x0012c> in <filename unknown>:0 
  at IronScheme.Scripting.ScriptCode.Run (IronScheme.Scripting.CodeContext codeContext, Boolean tryEvaluate) <0x4941e60 + 0x0008d> in <filename unknown>:0 
  at IronScheme.Scripting.ScriptCode.Run (IronScheme.Scripting.ScriptModule module) <0x4941cd0 + 0x00071> in <filename unknown>:0 
  at IronScheme.Runtime.Builtins+<>c__DisplayClass51_1.<CompileCore>b__1 () <0x4941bc0 + 0x00027> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48d98f8 + 0x0002c> in <filename unknown>:0 
  at #.psyntax.expander::compile-r6rs-top-level#anon#1#2$2646 (IronScheme.Scripting.CodeContext $context) <0x49cee20 + 0x00087> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48d98f8 + 0x0002c> in <filename unknown>:0 
  at #.psyntax.main::load-r6rs-top-level#1#anon#1#2#3#4#5#6$2688 (IronScheme.Scripting.CodeContext $context) <0x49c86f0 + 0x00053> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48d98f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.exceptions::dynamic-wind (System.Object in, System.Object proc, System.Object out) <0x48c0970 + 0x000f8> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48d98f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.exceptions::dynamic-wind (System.Object in, System.Object proc, System.Object out) <0x48c0970 + 0x000f8> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object[] args) <0x485ed08 + 0x00331> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+VarArgClosure.Call (System.Object[] args) <0x485d9d0 + 0x0014e> in <filename unknown>:0 
  at #.psyntax.main::load#1$2662 (IronScheme.Scripting.CodeContext $context) <0x49bfe10 + 0x000d3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48d98f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.exceptions::with-exception-handlers#1#anon#1$1838 (IronScheme.Scripting.CodeContext $context) <0x49bfc90 + 0x0004b> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48d98f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.exceptions::dynamic-wind (System.Object in, System.Object proc, System.Object out) <0x48c0970 + 0x000f8> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4890990 + 0x00036> in <filename unknown>:0 
  at IronScheme.Runtime.Builtins.CallWithCurrentContinuation (System.Object fc1) <0x49bee30 + 0x00093> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48d98f8 + 0x0002c> in <filename unknown>:0 
  at IronScheme.Runtime.R6RS.Exceptions.WithClrExceptionHandler (System.Object handler, System.Object thunk) <0x49bec48 + 0x00049> in <filename unknown>:0

from racr.

christoff-buerger commented on August 30, 2024

siple/examples/correc: abnormal_termination.siple, closures.siple, nested_procedures.siple, pointers.siple, procedure_basics.siple, type_coercions.siple:

Unhandled CLR exception during evaluation:
CLR Exception: System.InvalidCastException
System.InvalidCastException: Specified cast is not valid.
  at siple.type-coercion.specify-type-coercion#1#anon#1#2#3#4#5#6#7#8#9$234 (IronScheme.Scripting.CodeContext $context, System.Object n) <0x5466630 + 0x0018e> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object[] args) <0x484ed08 + 0x00331> in <filename unknown>:0 
  at racr.core.att-value#anon#1#2#3#4#5#6$626 (IronScheme.Scripting.CodeContext $context) <0x545e3c0 + 0x000b5> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48c98f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.exceptions::dynamic-wind (System.Object in, System.Object proc, System.Object out) <0x48b0970 + 0x000f8> in <filename unknown>:0 
  at racr.core.att-value+ (System.Object name, System.Object n, System.Object args) <0x5459d20 + 0x00acf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object[] args) <0x484ed08 + 0x00331> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+VarArgClosure.Call (System.Object[] args) <0x484d9d0 + 0x0014e> in <filename unknown>:0 
  at racr.core.lookup-attribute##loop#anon#1#2#3$615 (IronScheme.Scripting.CodeContext $context, System.Object n, System.Object args) <0x545eed0 + 0x000b2> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object[] args) <0x484ed08 + 0x00331> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+VarArgClosure.Call (System.Object[] args) <0x484d9d0 + 0x0014e> in <filename unknown>:0 
  at racr.core.att-value#anon#1#2#3#4#5#6$626 (IronScheme.Scripting.CodeContext $context) <0x545e3c0 + 0x000b5> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48c98f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.exceptions::dynamic-wind (System.Object in, System.Object proc, System.Object out) <0x48b0970 + 0x000f8> in <filename unknown>:0 
  at racr.core.att-value+ (System.Object name, System.Object n, System.Object args) <0x5459d20 + 0x00acf> in <filename unknown>:0 
  at siple.type-coercion.perform-type-coercions##anon$221 (IronScheme.Scripting.CodeContext $context, System.Object n) <0x5458b50 + 0x00053> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at racr.core.perform-rewrites##find-and-apply#anon#1#2$889 (IronScheme.Scripting.CodeContext $context, System.Object transformer) <0x54589c0 + 0x00054> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::find (System.Object proc, System.Object l) <0x4ce39c0 + 0x00042> in <filename unknown>:0 
  at racr.core.perform-rewrites##find-and-apply#anon$888 (IronScheme.Scripting.CodeContext $context, System.Object n) <0x5458530 + 0x001ce> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::find (System.Object proc, System.Object l) <0x4ce39c0 + 0x00042> in <filename unknown>:0 
  at racr.core.perform-rewrites##find-and-apply#anon$888 (IronScheme.Scripting.CodeContext $context, System.Object n) <0x5458530 + 0x00155> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::find (System.Object proc, System.Object l) <0x4ce39c0 + 0x00042> in <filename unknown>:0 
  at racr.core.perform-rewrites##find-and-apply#anon$888 (IronScheme.Scripting.CodeContext $context, System.Object n) <0x5458530 + 0x00155> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::find (System.Object proc, System.Object l) <0x4ce39c0 + 0x00042> in <filename unknown>:0 
  at racr.core.perform-rewrites##find-and-apply#anon$888 (IronScheme.Scripting.CodeContext $context, System.Object n) <0x5458530 + 0x00155> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::find (System.Object proc, System.Object l) <0x4ce39c0 + 0x00042> in <filename unknown>:0 
  at racr.core.perform-rewrites##find-and-apply#anon$888 (IronScheme.Scripting.CodeContext $context, System.Object n) <0x5458530 + 0x00155> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::find (System.Object proc, System.Object l) <0x4ce39c0 + 0x00042> in <filename unknown>:0 
  at racr.core.perform-rewrites##find-and-apply#anon$888 (IronScheme.Scripting.CodeContext $context, System.Object n) <0x5458530 + 0x00155> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::find (System.Object proc, System.Object l) <0x4ce39c0 + 0x00042> in <filename unknown>:0 
  at racr.core.perform-rewrites##find-and-apply#anon$888 (IronScheme.Scripting.CodeContext $context, System.Object n) <0x5458530 + 0x00155> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at racr.core.perform-rewrites##1#loop$890 (IronScheme.Scripting.CodeContext $context) <0x5347bf0 + 0x001c3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48c98f8 + 0x0002c> in <filename unknown>:0 
  at racr.core.perform-rewrites+ (System.Object n, System.Object strategy, System.Object transformers) <0x5356b50 + 0x00517> in <filename unknown>:0 
  at siple.parser.construct-parser#1#anon#1#2#3#4#5#6#7##anon$277 (IronScheme.Scripting.CodeContext $context) <0x533f7c0 + 0x00064> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48c98f8 + 0x0002c> in <filename unknown>:0 
  at siple.main.siple-interpret#anon#1$444 (IronScheme.Scripting.CodeContext $context) <0x51b4f00 + 0x00089> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48c98f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.exceptions::dynamic-wind (System.Object in, System.Object proc, System.Object out) <0x48b0970 + 0x000f8> in <filename unknown>:0 
  at siple.main.siple-interpret (System.Object input, System.Object output-port) <0x5337980 + 0x001f8> in <filename unknown>:0 
  at eval-core(005).$2 () <0x53372e0 + 0x0012e> in <filename unknown>:0 
  at IronScheme.Scripting.ScriptCode.Run (IronScheme.Scripting.CodeContext codeContext, Boolean tryEvaluate) <0x4931e60 + 0x0008d> in <filename unknown>:0 
  at IronScheme.Scripting.ScriptCode.Run (IronScheme.Scripting.ScriptModule module) <0x4931cd0 + 0x00071> in <filename unknown>:0 
  at IronScheme.Runtime.Builtins+<>c__DisplayClass51_1.<CompileCore>b__1 () <0x4931bc0 + 0x00027> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48c98f8 + 0x0002c> in <filename unknown>:0 
  at #.psyntax.expander::compile-r6rs-top-level#anon#1#2$2646 (IronScheme.Scripting.CodeContext $context) <0x49bef30 + 0x00087> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48c98f8 + 0x0002c> in <filename unknown>:0 
  at #.psyntax.main::load-r6rs-top-level#1#anon#1#2#3#4#5#6$2688 (IronScheme.Scripting.CodeContext $context) <0x49b84f0 + 0x00053> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48c98f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.exceptions::dynamic-wind (System.Object in, System.Object proc, System.Object out) <0x48b0970 + 0x000f8> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48c98f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.exceptions::dynamic-wind (System.Object in, System.Object proc, System.Object out) <0x48b0970 + 0x000f8> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object[] args) <0x484ed08 + 0x00331> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+VarArgClosure.Call (System.Object[] args) <0x484d9d0 + 0x0014e> in <filename unknown>:0 
  at #.psyntax.main::load#1$2662 (IronScheme.Scripting.CodeContext $context) <0x49afaf0 + 0x000d3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48c98f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.exceptions::with-exception-handlers#1#anon#1$1838 (IronScheme.Scripting.CodeContext $context) <0x49af970 + 0x0004b> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48c98f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.exceptions::dynamic-wind (System.Object in, System.Object proc, System.Object out) <0x48b0970 + 0x000f8> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at IronScheme.Runtime.Builtins.CallWithCurrentContinuation (System.Object fc1) <0x49aeb10 + 0x00093> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48c98f8 + 0x0002c> in <filename unknown>:0 
  at IronScheme.Runtime.R6RS.Exceptions.WithClrExceptionHandler (System.Object handler, System.Object thunk) <0x49ae928 + 0x00049> in <filename unknown>:0

from racr.

christoff-buerger commented on August 30, 2024

siple/examples/correct: assertions.siple, boolean_arithmetics.siple, control_flow.siple, integer_and_real_arithmetics.siple, relational_arithmetics.siple, scopes.siple:

Unhandled CLR exception during evaluation:
CLR Exception: System.InvalidCastException
System.InvalidCastException: Specified cast is not valid.
  at racr.core.node-find-child (System.Object n, System.Object context-name) <0x5333ae0 + 0x00151> in <filename unknown>:0 
  at racr.core.ast-child (System.Object i, System.Object n) <0x53334e0 + 0x00056> in <filename unknown>:0 
  at siple.well-formedness.specify-well-formedness#1#anon#1#2#3#4#5#6#7#8#9$394 (IronScheme.Scripting.CodeContext $context, System.Object n) <0x534a000 + 0x000ac> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object[] args) <0x47a6d08 + 0x00331> in <filename unknown>:0 
  at racr.core.att-value#anon#1#2#3#4#5#6$626 (IronScheme.Scripting.CodeContext $context) <0x53317a0 + 0x000b5> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48218f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.exceptions::dynamic-wind (System.Object in, System.Object proc, System.Object out) <0x4808970 + 0x000f8> in <filename unknown>:0 
  at racr.core.att-value+ (System.Object name, System.Object n, System.Object args) <0x532cf00 + 0x00acf> in <filename unknown>:0 
  at siple.interpreter.weave-interpreter#anon#1$413 (IronScheme.Scripting.CodeContext $context, System.Object n, System.Object args) <0x5349e00 + 0x00059> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object[] args) <0x47a6d08 + 0x00331> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+VarArgClosure.Call (System.Object[] args) <0x47a59d0 + 0x0014e> in <filename unknown>:0 
  at racr.core.ast-annotation-set!#anon$636 (IronScheme.Scripting.CodeContext $context, System.Object args) <0x5349c00 + 0x0008a> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object[] args) <0x47a6d08 + 0x00331> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+VarArgClosure.Call (System.Object[] args) <0x47a59d0 + 0x0014e> in <filename unknown>:0 
  at IronScheme.Runtime.Closure.Call (System.Object arg1) <0x47a5750 + 0x00046> in <filename unknown>:0 
  at siple.main.siple-interpret#anon#1$444 (IronScheme.Scripting.CodeContext $context) <0x510af00 + 0x000c1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48218f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.exceptions::dynamic-wind (System.Object in, System.Object proc, System.Object out) <0x4808970 + 0x000f8> in <filename unknown>:0 
  at siple.main.siple-interpret (System.Object input, System.Object output-port) <0x528b980 + 0x001f8> in <filename unknown>:0 
  at eval-core(005).$2 () <0x528b2e0 + 0x0012e> in <filename unknown>:0 
  at IronScheme.Scripting.ScriptCode.Run (IronScheme.Scripting.CodeContext codeContext, Boolean tryEvaluate) <0x4889e60 + 0x0008d> in <filename unknown>:0 
  at IronScheme.Scripting.ScriptCode.Run (IronScheme.Scripting.ScriptModule module) <0x4889cd0 + 0x00071> in <filename unknown>:0 
  at IronScheme.Runtime.Builtins+<>c__DisplayClass51_1.<CompileCore>b__1 () <0x4889bc0 + 0x00027> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48218f8 + 0x0002c> in <filename unknown>:0 
  at #.psyntax.expander::compile-r6rs-top-level#anon#1#2$2646 (IronScheme.Scripting.CodeContext $context) <0x4916f30 + 0x00087> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48218f8 + 0x0002c> in <filename unknown>:0 
  at #.psyntax.main::load-r6rs-top-level#1#anon#1#2#3#4#5#6$2688 (IronScheme.Scripting.CodeContext $context) <0x49104f0 + 0x00053> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48218f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.exceptions::dynamic-wind (System.Object in, System.Object proc, System.Object out) <0x4808970 + 0x000f8> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48218f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.exceptions::dynamic-wind (System.Object in, System.Object proc, System.Object out) <0x4808970 + 0x000f8> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object[] args) <0x47a6d08 + 0x00331> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+VarArgClosure.Call (System.Object[] args) <0x47a59d0 + 0x0014e> in <filename unknown>:0 
  at #.psyntax.main::load#1$2662 (IronScheme.Scripting.CodeContext $context) <0x4907af0 + 0x000d3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48218f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.exceptions::with-exception-handlers#1#anon#1$1838 (IronScheme.Scripting.CodeContext $context) <0x4907970 + 0x0004b> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48218f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.exceptions::dynamic-wind (System.Object in, System.Object proc, System.Object out) <0x4808970 + 0x000f8> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47d8990 + 0x00036> in <filename unknown>:0 
  at IronScheme.Runtime.Builtins.CallWithCurrentContinuation (System.Object fc1) <0x4906b10 + 0x00093> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48218f8 + 0x0002c> in <filename unknown>:0 
  at IronScheme.Runtime.R6RS.Exceptions.WithClrExceptionHandler (System.Object handler, System.Object thunk) <0x4906928 + 0x00049> in <filename unknown>:0

from racr.

christoff-buerger commented on August 30, 2024

siple/examples/incorrect: abnormal_termination.siple, procedure_basics.siple, procedure_parameter_redeclarations.siple:

Unhandled CLR exception during evaluation:
CLR Exception: System.InvalidCastException
System.InvalidCastException: Specified cast is not valid.
  at siple.type-coercion.specify-type-coercion#1#anon#1#2#3#4#5#6#7#8#9$234 (IronScheme.Scripting.CodeContext $context, System.Object n) <0x52c38c0 + 0x0018e> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object[] args) <0x4786d08 + 0x00331> in <filename unknown>:0 
  at racr.core.att-value#anon#1#2#3#4#5#6$626 (IronScheme.Scripting.CodeContext $context) <0x5292b60 + 0x000b5> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48018f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.exceptions::dynamic-wind (System.Object in, System.Object proc, System.Object out) <0x47e8970 + 0x000f8> in <filename unknown>:0 
  at racr.core.att-value+ (System.Object name, System.Object n, System.Object args) <0x528e4c0 + 0x00acf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object[] args) <0x4786d08 + 0x00331> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+VarArgClosure.Call (System.Object[] args) <0x47859d0 + 0x0014e> in <filename unknown>:0 
  at racr.core.lookup-attribute##loop#anon#1#2#3$615 (IronScheme.Scripting.CodeContext $context, System.Object n, System.Object args) <0x5293670 + 0x000b2> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object[] args) <0x4786d08 + 0x00331> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+VarArgClosure.Call (System.Object[] args) <0x47859d0 + 0x0014e> in <filename unknown>:0 
  at racr.core.att-value#anon#1#2#3#4#5#6$626 (IronScheme.Scripting.CodeContext $context) <0x5292b60 + 0x000b5> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48018f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.exceptions::dynamic-wind (System.Object in, System.Object proc, System.Object out) <0x47e8970 + 0x000f8> in <filename unknown>:0 
  at racr.core.att-value+ (System.Object name, System.Object n, System.Object args) <0x528e4c0 + 0x00acf> in <filename unknown>:0 
  at siple.type-coercion.perform-type-coercions##anon$221 (IronScheme.Scripting.CodeContext $context, System.Object n) <0x528d2f0 + 0x00053> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47b8990 + 0x00036> in <filename unknown>:0 
  at racr.core.perform-rewrites##find-and-apply#anon#1#2$889 (IronScheme.Scripting.CodeContext $context, System.Object transformer) <0x528d160 + 0x00054> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47b8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::find (System.Object proc, System.Object l) <0x50c49c0 + 0x00042> in <filename unknown>:0 
  at racr.core.perform-rewrites##find-and-apply#anon$888 (IronScheme.Scripting.CodeContext $context, System.Object n) <0x528ccd0 + 0x001ce> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47b8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::find (System.Object proc, System.Object l) <0x50c49c0 + 0x00042> in <filename unknown>:0 
  at racr.core.perform-rewrites##find-and-apply#anon$888 (IronScheme.Scripting.CodeContext $context, System.Object n) <0x528ccd0 + 0x00155> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47b8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::find (System.Object proc, System.Object l) <0x50c49c0 + 0x00042> in <filename unknown>:0 
  at racr.core.perform-rewrites##find-and-apply#anon$888 (IronScheme.Scripting.CodeContext $context, System.Object n) <0x528ccd0 + 0x00155> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47b8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::find (System.Object proc, System.Object l) <0x50c49c0 + 0x00042> in <filename unknown>:0 
  at racr.core.perform-rewrites##find-and-apply#anon$888 (IronScheme.Scripting.CodeContext $context, System.Object n) <0x528ccd0 + 0x00155> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47b8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::find (System.Object proc, System.Object l) <0x50c49c0 + 0x00042> in <filename unknown>:0 
  at racr.core.perform-rewrites##find-and-apply#anon$888 (IronScheme.Scripting.CodeContext $context, System.Object n) <0x528ccd0 + 0x00155> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47b8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::find (System.Object proc, System.Object l) <0x50c49c0 + 0x00042> in <filename unknown>:0 
  at racr.core.perform-rewrites##find-and-apply#anon$888 (IronScheme.Scripting.CodeContext $context, System.Object n) <0x528ccd0 + 0x00155> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47b8990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::find (System.Object proc, System.Object l) <0x50c49c0 + 0x00042> in <filename unknown>:0 
  at racr.core.perform-rewrites##find-and-apply#anon$888 (IronScheme.Scripting.CodeContext $context, System.Object n) <0x528ccd0 + 0x00155> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47b8990 + 0x00036> in <filename unknown>:0 
  at racr.core.perform-rewrites##1#loop$890 (IronScheme.Scripting.CodeContext $context) <0x528c2a0 + 0x001c3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48018f8 + 0x0002c> in <filename unknown>:0 
  at racr.core.perform-rewrites+ (System.Object n, System.Object strategy, System.Object transformers) <0x528abe0 + 0x00517> in <filename unknown>:0 
  at siple.parser.construct-parser#1#anon#1#2#3#4#5#6#7##anon$277 (IronScheme.Scripting.CodeContext $context) <0x52700b0 + 0x00064> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48018f8 + 0x0002c> in <filename unknown>:0 
  at siple.main.siple-interpret#anon#1$444 (IronScheme.Scripting.CodeContext $context) <0x5268640 + 0x00089> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48018f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.exceptions::dynamic-wind (System.Object in, System.Object proc, System.Object out) <0x47e8970 + 0x000f8> in <filename unknown>:0 
  at siple.main.siple-interpret (System.Object input, System.Object output-port) <0x5268000 + 0x001f8> in <filename unknown>:0 
  at eval-core(005).::dummy#anon$5 (IronScheme.Scripting.CodeContext $context) <0x52679b0 + 0x00035> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48018f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.exceptions::with-exception-handlers#1#anon#1$1838 (IronScheme.Scripting.CodeContext $context) <0x48e7970 + 0x0004b> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48018f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.exceptions::dynamic-wind (System.Object in, System.Object proc, System.Object out) <0x47e8970 + 0x000f8> in <filename unknown>:0 
  at eval-core(005).::dummy$3 (System.Object k) <0x5267720 + 0x00133> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47b8990 + 0x00036> in <filename unknown>:0 
  at IronScheme.Runtime.Builtins.CallWithCurrentContinuation (System.Object fc1) <0x48e6b10 + 0x00093> in <filename unknown>:0 
  at eval-core(005).$2 () <0x52672e0 + 0x000ce> in <filename unknown>:0 
  at IronScheme.Scripting.ScriptCode.Run (IronScheme.Scripting.CodeContext codeContext, Boolean tryEvaluate) <0x4869e60 + 0x0008d> in <filename unknown>:0 
  at IronScheme.Scripting.ScriptCode.Run (IronScheme.Scripting.ScriptModule module) <0x4869cd0 + 0x00071> in <filename unknown>:0 
  at IronScheme.Runtime.Builtins+<>c__DisplayClass51_1.<CompileCore>b__1 () <0x4869bc0 + 0x00027> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48018f8 + 0x0002c> in <filename unknown>:0 
  at #.psyntax.expander::compile-r6rs-top-level#anon#1#2$2646 (IronScheme.Scripting.CodeContext $context) <0x48f6f30 + 0x00087> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48018f8 + 0x0002c> in <filename unknown>:0 
  at #.psyntax.main::load-r6rs-top-level#1#anon#1#2#3#4#5#6$2688 (IronScheme.Scripting.CodeContext $context) <0x48f04f0 + 0x00053> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48018f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.exceptions::dynamic-wind (System.Object in, System.Object proc, System.Object out) <0x47e8970 + 0x000f8> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48018f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.exceptions::dynamic-wind (System.Object in, System.Object proc, System.Object out) <0x47e8970 + 0x000f8> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object[] args) <0x4786d08 + 0x00331> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+VarArgClosure.Call (System.Object[] args) <0x47859d0 + 0x0014e> in <filename unknown>:0 
  at #.psyntax.main::load#1$2662 (IronScheme.Scripting.CodeContext $context) <0x48e7af0 + 0x000d3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48018f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.exceptions::with-exception-handlers#1#anon#1$1838 (IronScheme.Scripting.CodeContext $context) <0x48e7970 + 0x0004b> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48018f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.exceptions::dynamic-wind (System.Object in, System.Object proc, System.Object out) <0x47e8970 + 0x000f8> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47b8990 + 0x00036> in <filename unknown>:0 
  at IronScheme.Runtime.Builtins.CallWithCurrentContinuation (System.Object fc1) <0x48e6b10 + 0x00093> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48018f8 + 0x0002c> in <filename unknown>:0 
  at IronScheme.Runtime.R6RS.Exceptions.WithClrExceptionHandler (System.Object handler, System.Object thunk) <0x48e6928 + 0x00049> in <filename unknown>:0

from racr.

christoff-buerger commented on August 30, 2024

siple/examples/incorrect: assertions.siple, boolean_arithmetics.siple, control_flow.siple, integer_and_real_arithmetics.siple, relational_arithmetics.siple, scopes.siple:

Unhandled CLR exception during evaluation:
CLR Exception: System.InvalidCastException
System.InvalidCastException: Specified cast is not valid.
  at racr.core.node-find-child (System.Object n, System.Object context-name) <0x53329a0 + 0x00151> in <filename unknown>:0 
  at racr.core.ast-child (System.Object i, System.Object n) <0x53323a0 + 0x00056> in <filename unknown>:0 
  at siple.well-formedness.specify-well-formedness#1#anon#1#2#3#4#5#6#7#8#9$394 (IronScheme.Scripting.CodeContext $context, System.Object n) <0x5331c80 + 0x000ac> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object[] args) <0x4802d08 + 0x00331> in <filename unknown>:0 
  at racr.core.att-value#anon#1#2#3#4#5#6$626 (IronScheme.Scripting.CodeContext $context) <0x53290a0 + 0x000b5> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x487d8f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.exceptions::dynamic-wind (System.Object in, System.Object proc, System.Object out) <0x4864970 + 0x000f8> in <filename unknown>:0 
  at racr.core.att-value+ (System.Object name, System.Object n, System.Object args) <0x5324800 + 0x00acf> in <filename unknown>:0 
  at siple.interpreter.weave-interpreter#anon#1$413 (IronScheme.Scripting.CodeContext $context, System.Object n, System.Object args) <0x5331a50 + 0x00059> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object[] args) <0x4802d08 + 0x00331> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+VarArgClosure.Call (System.Object[] args) <0x48019d0 + 0x0014e> in <filename unknown>:0 
  at racr.core.ast-annotation-set!#anon$636 (IronScheme.Scripting.CodeContext $context, System.Object args) <0x5331850 + 0x0008a> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object[] args) <0x4802d08 + 0x00331> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+VarArgClosure.Call (System.Object[] args) <0x48019d0 + 0x0014e> in <filename unknown>:0 
  at IronScheme.Runtime.Closure.Call (System.Object arg1) <0x4801750 + 0x00046> in <filename unknown>:0 
  at siple.main.siple-interpret#anon#1$444 (IronScheme.Scripting.CodeContext $context) <0x5304640 + 0x000c1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x487d8f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.exceptions::dynamic-wind (System.Object in, System.Object proc, System.Object out) <0x4864970 + 0x000f8> in <filename unknown>:0 
  at siple.main.siple-interpret (System.Object input, System.Object output-port) <0x5304000 + 0x001f8> in <filename unknown>:0 
  at eval-core(005).::dummy#anon$5 (IronScheme.Scripting.CodeContext $context) <0x53039b0 + 0x00035> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x487d8f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.exceptions::with-exception-handlers#1#anon#1$1838 (IronScheme.Scripting.CodeContext $context) <0x4963970 + 0x0004b> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x487d8f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.exceptions::dynamic-wind (System.Object in, System.Object proc, System.Object out) <0x4864970 + 0x000f8> in <filename unknown>:0 
  at eval-core(005).::dummy$3 (System.Object k) <0x5303720 + 0x00133> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4834990 + 0x00036> in <filename unknown>:0 
  at IronScheme.Runtime.Builtins.CallWithCurrentContinuation (System.Object fc1) <0x4962b10 + 0x00093> in <filename unknown>:0 
  at eval-core(005).$2 () <0x53032e0 + 0x000ce> in <filename unknown>:0 
  at IronScheme.Scripting.ScriptCode.Run (IronScheme.Scripting.CodeContext codeContext, Boolean tryEvaluate) <0x48e5e60 + 0x0008d> in <filename unknown>:0 
  at IronScheme.Scripting.ScriptCode.Run (IronScheme.Scripting.ScriptModule module) <0x48e5cd0 + 0x00071> in <filename unknown>:0 
  at IronScheme.Runtime.Builtins+<>c__DisplayClass51_1.<CompileCore>b__1 () <0x48e5bc0 + 0x00027> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x487d8f8 + 0x0002c> in <filename unknown>:0 
  at #.psyntax.expander::compile-r6rs-top-level#anon#1#2$2646 (IronScheme.Scripting.CodeContext $context) <0x4972f30 + 0x00087> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x487d8f8 + 0x0002c> in <filename unknown>:0 
  at #.psyntax.main::load-r6rs-top-level#1#anon#1#2#3#4#5#6$2688 (IronScheme.Scripting.CodeContext $context) <0x496c4f0 + 0x00053> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x487d8f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.exceptions::dynamic-wind (System.Object in, System.Object proc, System.Object out) <0x4864970 + 0x000f8> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x487d8f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.exceptions::dynamic-wind (System.Object in, System.Object proc, System.Object out) <0x4864970 + 0x000f8> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object[] args) <0x4802d08 + 0x00331> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+VarArgClosure.Call (System.Object[] args) <0x48019d0 + 0x0014e> in <filename unknown>:0 
  at #.psyntax.main::load#1$2662 (IronScheme.Scripting.CodeContext $context) <0x4963af0 + 0x000d3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x487d8f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.exceptions::with-exception-handlers#1#anon#1$1838 (IronScheme.Scripting.CodeContext $context) <0x4963970 + 0x0004b> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x487d8f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.exceptions::dynamic-wind (System.Object in, System.Object proc, System.Object out) <0x4864970 + 0x000f8> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4834990 + 0x00036> in <filename unknown>:0 
  at IronScheme.Runtime.Builtins.CallWithCurrentContinuation (System.Object fc1) <0x4962b10 + 0x00093> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x487d8f8 + 0x0002c> in <filename unknown>:0 
  at IronScheme.Runtime.R6RS.Exceptions.WithClrExceptionHandler (System.Object handler, System.Object thunk) <0x4962928 + 0x00049> in <filename unknown>:0

from racr.

christoff-buerger commented on August 30, 2024

composed-petrinets/examples/purchase-processing.scm:

Stack overflow in unmanaged: IP: 0x3096e9, fault addr: 0xb02a3fec
[ERROR] FATAL UNHANDLED EXCEPTION: System.StackOverflowException: The requested operation caused a stack overflow.
  at (wrapper managed-to-native) System.String:FastAllocateString (int)
  at System.String.CtorCharArrayStartLength (System.Char[] value, Int32 startIndex, Int32 length) <0x28f0ae0 + 0x00056> in <filename unknown>:0 
  at System.String.CreateString (System.Char[] val, Int32 startIndex, Int32 length) <0x28f7470 + 0x00032> in <filename unknown>:0 
  at (wrapper managed-to-managed) System.String:.ctor (char[],int,int)
  at System.NumberFormatter.FormatDecimal (Int32 precision, System.Globalization.NumberFormatInfo nfi) <0x2b2d760 + 0x00094> in <filename unknown>:0 
  at System.NumberFormatter.IntegerToString (System.String format, IFormatProvider fp) <0x2b2ce30 + 0x000e0> in <filename unknown>:0 
  at System.NumberFormatter.NumberToString (System.String format, Int32 value, IFormatProvider fp) <0x2b2ca30 + 0x0005e> in <filename unknown>:0 
  at System.Number.FormatInt32 (Int32 value, System.String format, System.Globalization.NumberFormatInfo info) <0x28678a0 + 0x0002b> in <filename unknown>:0 
  at System.Int32.ToString () <0x2845380 + 0x00038> in <filename unknown>:0 
  at System.ParseNumbers.IntToString (Int32 value, Int32 toBase, Int32 width, Char paddingChar, Int32 flags) <0x29ec180 + 0x00087> in <filename unknown>:0 
  at System.Convert.ToString (Int32 value, Int32 toBase) <0x27d4f20 + 0x00051> in <filename unknown>:0 
  at #.ironscheme.numbers::fixnum->string (System.Object num, System.Object radix) <0x513bee0 + 0x000c3> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x00080> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4fd5b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4869168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4fd5a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48c98f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4fd55a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4fd5b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4869168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4fd5a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48c98f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4fd55a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4fd5b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4869168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4fd5a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48c98f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4fd55a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4fd5b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4869168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4fd5a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48c98f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4fd55a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4fd5b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4869168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4fd5a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48c98f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4fd55a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4fd5b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4869168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4fd5a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48c98f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4fd55a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4fd5b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4869168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4fd5a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48c98f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4fd55a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4fd5b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4869168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4fd5a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48c98f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4fd55a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4fd5b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4869168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4fd5a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48c98f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4fd55a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4fd5b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4869168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4fd5a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48c98f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4fd55a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4fd5b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4869168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4fd5a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48c98f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4fd55a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4fd5b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4869168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4fd5a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48c98f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4fd55a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4fd5b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4869168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4fd5a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48c98f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4fd55a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4fd5b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4869168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4fd5a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48c98f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4fd55a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4fd5b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4869168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4fd5a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48c98f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4fd55a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4fd5b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4869168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4fd5a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48c98f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4fd55a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4fd5b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4869168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4fd5a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48c98f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4fd55a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4fd5b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4869168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4fd5a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48c98f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4fd55a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4fd5b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4869168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4fd5a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48c98f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4fd55a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4fd5b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4869168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4fd5a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48c98f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4fd55a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4fd5b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4869168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4fd5a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48c98f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4fd55a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4fd5b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4869168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4fd5a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48c98f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4fd55a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4fd5b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4869168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4fd5a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48c98f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4fd55a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4fd5b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4869168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4fd5a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48c98f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4fd55a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4fd5b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4869168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4fd5a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48c98f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4fd55a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4fd5b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4869168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4fd5a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48c98f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4fd55a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4fd5b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4869168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4fd5a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48c98f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4fd55a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4fd5b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4869168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4fd5a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48c98f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4fd55a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4fd5b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4869168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4fd5a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48c98f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4fd55a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4fd5b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4869168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4fd5a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48c98f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4fd55a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4fd5b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4869168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4fd5a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48c98f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4fd55a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4fd5b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4869168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4fd5a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48c98f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4fd55a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4fd5b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4869168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4fd5a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48c98f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4fd55a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4fd5b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4869168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4fd5a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48c98f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4fd55a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4fd5b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4869168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4fd5a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48c98f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4fd55a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4fd5b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4869168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4fd5a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48c98f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4fd55a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4fd5b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4869168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4fd5a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48c98f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4fd55a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4fd5b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4869168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4fd5a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48c98f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4fd55a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4fd5b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4869168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4fd5a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48c98f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4fd55a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4fd5b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4869168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4fd5a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48c98f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4fd55a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4fd5b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4869168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4fd5a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48c98f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4fd55a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4fd5b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4869168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4fd5a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48c98f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4fd55a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4fd5b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4869168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4fd5a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48c98f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4fd55a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4fd5b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4869168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4fd5a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48c98f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4fd55a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4fd5b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4869168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4fd5a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48c98f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4fd55a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4fd5b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4869168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4fd5a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48c98f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4fd55a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4fd5b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4869168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4fd5a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48c98f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4fd55a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4fd5b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4869168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4fd5a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48c98f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4fd55a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4880990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x48caed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4fd3660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4fd5b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4869168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4fd5a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48c98f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4fd55a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x48dae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x49d0770 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x49d0420 + 0x0011f> in <filename unknown>:0

from racr.

christoff-buerger commented on August 30, 2024

composed-petrinets/examples/runtime-structure-example-slide.scm:

[ERROR] FATAL UNHANDLED EXCEPTION: System.StackOverflowException: The requested operation caused a stack overflow.
  at System.Globalization.TextInfo.get_IsAsciiCasingSameAsInvariant () <0x24a9960 + 0x0000b> in <filename unknown>:0 
  at System.Globalization.TextInfo.ToLower (Char c) <0x24a9710 + 0x00030> in <filename unknown>:0 
  at System.Char.ToLower (Char c, System.Globalization.CultureInfo culture) <0x240ea30 + 0x00033> in <filename unknown>:0 
  at System.Text.RegularExpressions.RegexBoyerMoore.Scan (System.String text, Int32 index, Int32 beglimit, Int32 endlimit) <0x3c39a00 + 0x000db> in <filename unknown>:0 
  at System.Text.RegularExpressions.RegexInterpreter.FindFirstChar () <0x3c39200 + 0x000d7> in <filename unknown>:0 
  at System.Text.RegularExpressions.RegexRunner.Scan (System.Text.RegularExpressions.Regex regex, System.String text, Int32 textbeg, Int32 textend, Int32 textstart, Int32 prevlen, Boolean quick, TimeSpan timeout) <0x3c38828 + 0x001d4> in <filename unknown>:0 
  at System.Text.RegularExpressions.Regex.Run (Boolean quick, Int32 prevlen, System.String input, Int32 beginning, Int32 length, Int32 startat) <0x3c37ce0 + 0x00144> in <filename unknown>:0 
  at System.Text.RegularExpressions.Regex.Match (System.String input, Int32 startat) <0x3c377b0 + 0x00046> in <filename unknown>:0 
  at System.Text.RegularExpressions.RegexReplacement.Replace (System.Text.RegularExpressions.MatchEvaluator evaluator, System.Text.RegularExpressions.Regex regex, System.String input, Int32 count, Int32 startat) <0x3c372a0 + 0x00057> in <filename unknown>:0 
  at System.Text.RegularExpressions.Regex.Replace (System.String input, System.Text.RegularExpressions.MatchEvaluator evaluator, Int32 count, Int32 startat) <0x3c36df0 + 0x00038> in <filename unknown>:0 
  at System.Text.RegularExpressions.Regex.Replace (System.String input, System.Text.RegularExpressions.MatchEvaluator evaluator) <0x3c36c60 + 0x00045> in <filename unknown>:0 
  at IronScheme.Scripting.SymbolTable.StringToId (System.String field) <0x3c36a08 + 0x000cb> in <filename unknown>:0 
  at IronScheme.Scripting.SymbolTable.StringToObject (System.String name) <0x17ee6b8 + 0x0001f> in <filename unknown>:0 
  at #.ironscheme.base::string->symbol (System.Object str) <0x4850b90 + 0x00052> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x00157> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49f0350 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49f0218 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49efd80 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49f0350 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49f0218 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49efd80 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49f0350 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49f0218 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49efd80 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49f0350 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49f0218 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49efd80 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49f0350 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49f0218 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49efd80 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49f0350 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49f0218 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49efd80 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49f0350 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49f0218 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49efd80 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49f0350 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49f0218 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49efd80 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49f0350 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49f0218 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49efd80 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49f0350 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49f0218 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49efd80 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49f0350 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49f0218 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49efd80 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49f0350 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49f0218 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49efd80 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49f0350 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49f0218 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49efd80 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49f0350 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49f0218 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49efd80 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49f0350 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49f0218 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49efd80 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49f0350 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49f0218 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49efd80 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49f0350 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49f0218 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49efd80 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49f0350 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49f0218 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49efd80 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49f0350 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49f0218 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49efd80 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49f0350 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49f0218 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49efd80 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49f0350 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49f0218 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49efd80 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49f0350 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49f0218 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49efd80 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49f0350 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49f0218 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49efd80 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49f0350 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49f0218 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49efd80 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49f0350 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49f0218 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49efd80 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49f0350 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49f0218 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49efd80 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49f0350 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49f0218 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49efd80 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49f0350 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49f0218 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49efd80 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49f0350 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49f0218 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49efd80 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49f0350 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49f0218 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49efd80 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49f0350 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49f0218 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49efd80 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49f0350 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49f0218 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49efd80 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49f0350 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49f0218 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49efd80 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49f0350 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49f0218 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49efd80 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49f0350 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49f0218 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49efd80 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49f0350 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49f0218 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49efd80 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49f0350 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49f0218 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49efd80 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49f0350 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49f0218 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49efd80 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49f0350 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49f0218 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49efd80 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49f0350 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49f0218 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49efd80 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49f0350 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49f0218 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49efd80 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49f0350 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49f0218 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49efd80 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49f0350 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49f0218 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49efd80 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49f0350 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49f0218 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49efd80 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49f0350 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49f0218 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49efd80 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49f0350 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49f0218 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49efd80 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49f0350 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49f0218 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49efd80 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49f0350 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49f0218 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49efd80 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49f0350 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x47f9168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x49f0218 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48598f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x49efd80 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4810990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x485aed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x49ede70 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x486ae80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x498c230 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x498bed0 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x49f0350 + 0x000cf> in <filename unknown>:0

from racr.

christoff-buerger commented on August 30, 2024

composed-petrinets/examples/syntax-tests.scm:

[ERROR] FATAL UNHANDLED EXCEPTION: System.StackOverflowException: The requested operation caused a stack overflow.
  at System.Globalization.CultureInfo.get_TextInfo () <0x25f0810 + 0x0000b> in <filename unknown>:0 
  at System.Char.ToLower (Char c, System.Globalization.CultureInfo culture) <0x2393a30 + 0x00023> in <filename unknown>:0 
  at System.Text.RegularExpressions.RegexBoyerMoore.Scan (System.String text, Int32 index, Int32 beglimit, Int32 endlimit) <0x3c19a00 + 0x000db> in <filename unknown>:0 
  at System.Text.RegularExpressions.RegexInterpreter.FindFirstChar () <0x3c19200 + 0x000d7> in <filename unknown>:0 
  at System.Text.RegularExpressions.RegexRunner.Scan (System.Text.RegularExpressions.Regex regex, System.String text, Int32 textbeg, Int32 textend, Int32 textstart, Int32 prevlen, Boolean quick, TimeSpan timeout) <0x3c18828 + 0x001d4> in <filename unknown>:0 
  at System.Text.RegularExpressions.Regex.Run (Boolean quick, Int32 prevlen, System.String input, Int32 beginning, Int32 length, Int32 startat) <0x3c17ce0 + 0x00144> in <filename unknown>:0 
  at System.Text.RegularExpressions.Regex.Match (System.String input, Int32 startat) <0x3c177b0 + 0x00046> in <filename unknown>:0 
  at System.Text.RegularExpressions.RegexReplacement.Replace (System.Text.RegularExpressions.MatchEvaluator evaluator, System.Text.RegularExpressions.Regex regex, System.String input, Int32 count, Int32 startat) <0x3c172a0 + 0x00057> in <filename unknown>:0 
  at System.Text.RegularExpressions.Regex.Replace (System.String input, System.Text.RegularExpressions.MatchEvaluator evaluator, Int32 count, Int32 startat) <0x3c16df0 + 0x00038> in <filename unknown>:0 
  at System.Text.RegularExpressions.Regex.Replace (System.String input, System.Text.RegularExpressions.MatchEvaluator evaluator) <0x3c16c60 + 0x00045> in <filename unknown>:0 
  at IronScheme.Scripting.SymbolTable.StringToId (System.String field) <0x3c16a08 + 0x000cb> in <filename unknown>:0 
  at IronScheme.Scripting.SymbolTable.StringToObject (System.String name) <0x37746b8 + 0x0001f> in <filename unknown>:0 
  at #.ironscheme.base::string->symbol (System.Object str) <0x47b4b90 + 0x00052> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.base::vector-map (System.Object p, System.Object vec) <0x4bc5c70 + 0x0016f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::get-field-pairs (System.Object rtd, System.Object rec) <0x4bc56c0 + 0x00013> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0020b> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4bc6b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x475d168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4bc6a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x47bd8f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4bc65a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4bc6b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x475d168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4bc6a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x47bd8f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4bc65a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4bc6b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x475d168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4bc6a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x47bd8f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4bc65a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4bc6b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x475d168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4bc6a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x47bd8f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4bc65a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4bc6b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x475d168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4bc6a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x47bd8f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4bc65a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4bc6b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x475d168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4bc6a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x47bd8f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4bc65a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4bc6b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x475d168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4bc6a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x47bd8f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4bc65a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4bc6b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x475d168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4bc6a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x47bd8f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4bc65a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4bc6b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x475d168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4bc6a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x47bd8f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4bc65a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4bc6b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x475d168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4bc6a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x47bd8f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4bc65a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4bc6b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x475d168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4bc6a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x47bd8f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4bc65a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4bc6b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x475d168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4bc6a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x47bd8f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4bc65a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4bc6b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x475d168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4bc6a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x47bd8f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4bc65a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4bc6b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x475d168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4bc6a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x47bd8f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4bc65a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4bc6b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x475d168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4bc6a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x47bd8f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4bc65a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4bc6b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x475d168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4bc6a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x47bd8f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4bc65a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4bc6b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x475d168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4bc6a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x47bd8f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4bc65a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4bc6b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x475d168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4bc6a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x47bd8f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4bc65a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4bc6b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x475d168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4bc6a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x47bd8f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4bc65a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4bc6b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x475d168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4bc6a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x47bd8f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4bc65a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4bc6b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x475d168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4bc6a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x47bd8f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4bc65a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4bc6b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x475d168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4bc6a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x47bd8f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4bc65a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4bc6b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x475d168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4bc6a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x47bd8f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4bc65a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4bc6b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x475d168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4bc6a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x47bd8f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4bc65a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4bc6b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x475d168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4bc6a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x47bd8f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4bc65a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4bc6b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x475d168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4bc6a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x47bd8f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4bc65a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4bc6b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x475d168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4bc6a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x47bd8f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4bc65a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4bc6b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x475d168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4bc6a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x47bd8f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4bc65a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4bc6b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x475d168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4bc6a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x47bd8f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4bc65a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4bc6b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x475d168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4bc6a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x47bd8f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4bc65a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4bc6b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x475d168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4bc6a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x47bd8f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4bc65a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4bc6b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x475d168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4bc6a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x47bd8f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4bc65a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4bc6b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x475d168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4bc6a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x47bd8f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4bc65a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4bc6b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x475d168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4bc6a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x47bd8f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4bc65a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4bc6b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x475d168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4bc6a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x47bd8f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4bc65a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4bc6b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x475d168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4bc6a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x47bd8f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4bc65a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4bc6b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x475d168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4bc6a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x47bd8f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4bc65a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4bc6b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x475d168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4bc6a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x47bd8f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4bc65a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4bc6b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x475d168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4bc6a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x47bd8f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4bc65a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4bc6b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x475d168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4bc6a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x47bd8f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4bc65a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4bc6b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x475d168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4bc6a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x47bd8f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4bc65a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4bc6b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x475d168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4bc6a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x47bd8f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4bc65a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4bc6b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x475d168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4bc6a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x47bd8f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4bc65a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4bc6b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x475d168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4bc6a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x47bd8f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4bc65a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4bc6b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x475d168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4bc6a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x47bd8f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4bc65a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4bc6b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x475d168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4bc6a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x47bd8f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4bc65a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4bc6b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x475d168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4bc6a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x47bd8f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4bc65a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4bc6b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x475d168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4bc6a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x47bd8f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4bc65a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x4774990 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x47beed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4bc4660 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x48c4020 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1930 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4bc6b68 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x475d168 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1929 (IronScheme.Scripting.CodeContext $context) <0x4bc6a30 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x47bd8f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4bc65a0 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x47cee80 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x48c4370 + 0x000ad> in <filename unknown>:0

from racr.

christoff-buerger commented on August 30, 2024

Deactivated Mono's LLVM backend as it is more buggy than the JIT backend.

from racr.

christoff-buerger commented on August 30, 2024

Note: All tests are on OS X with

Mono JIT compiler version 4.2.2 (explicit/996df3c Wed Jan 20 00:19:48 EST 2016)
Copyright (C) 2002-2014 Novell, Inc, Xamarin Inc and Contributors. www.mono-project.com
    TLS:           normal
    SIGSEGV:       altstack
    Notification:  kqueue
    Architecture:  x86
    Disabled:      none
    Misc:          softdebug 
    LLVM:          yes(3.6.0svn-mono-(detached/a173357)
    GC:            sgen

from racr.

christoff-buerger commented on August 30, 2024

According to IronScheme/IronScheme#11, the problem is a very naive equal-hash implementation:

Ahhhhh, found the problem! equal-hash is at fault. It is really terribly implemented, it prints out the key and does a string-hash O_O.

Since keys can be cyclic data structures (e.g., in case of AST nodes), this explains the stack overflow exceptions.

from racr.

christoff-buerger commented on August 30, 2024

The reason why tests/ast-construction.scm and tests/patterns.scm fail is not clear and needs further investigations.

Patterns fail, because the valid-type? attribute of the pattern language expects a type argument that is an AST symbol (symbol record). Such records can by cyclic, because of their non-terminal? field. Thus, the valid-type? attribute is cached with potential cyclic records as keys.

from racr.

christoff-buerger commented on August 30, 2024

IronScheme/IronScheme@07f20bd fixed equal-hash in case of keys that are circular objects, like AST nodes. For this reason the composed Petri nets example and the tests/patterns.scm test are now working with IronScheme.

Only the tests/ast-construction.scm test still fails.

from racr.

christoff-buerger commented on August 30, 2024

IMPORTANT: This comment and the following stack traces regard only the LLVM-based Mono version, not the JIT-based default.

I tested Mono's LLVM backend, but that is no good at all! First, it is much slower. It also fails the following tests besides tests/ast-construction.scm:

tests/patterns.scm
All activity diagrams with input variables (test5.ad, test6_false.ad, test6_true.ad, testperformance_variant3_2.ad). Interestingly it passes the very big diagrams like testperformance_variant3_1.ad; the problem are the input variables.
All SiPLE programs.

The errors are very interesting however, and may hint to further bugs (either Mono LLVM or IronScheme).

The complete exceptions are posted in the following comments.

from racr.

christoff-buerger commented on August 30, 2024

tests/ast-construction.scm:

Stack overflow in unmanaged: IP: 0x24cd7c, fault addr: 0xb02a3ffc
[ERROR] FATAL UNHANDLED EXCEPTION: System.StackOverflowException: The requested operation caused a stack overflow.
  at (wrapper managed-to-native) System.String:FastAllocateString (int)
  at System.String.CtorCharArrayStartLength (System.Char[] value, Int32 startIndex, Int32 length) <0x256bae0 + 0x00056> in <filename unknown>:0 
  at System.String.CreateString (System.Char[] val, Int32 startIndex, Int32 length) <0x2572470 + 0x00032> in <filename unknown>:0 
  at (wrapper managed-to-managed) System.String:.ctor (char[],int,int)
  at System.NumberFormatter.FormatDecimal (Int32 precision, System.Globalization.NumberFormatInfo nfi) <0x27a8760 + 0x00094> in <filename unknown>:0 
  at System.NumberFormatter.IntegerToString (System.String format, IFormatProvider fp) <0x27a7e30 + 0x000e0> in <filename unknown>:0 
  at System.NumberFormatter.NumberToString (System.String format, Int32 value, IFormatProvider fp) <0x27a7a30 + 0x0005e> in <filename unknown>:0 
  at System.Number.FormatInt32 (Int32 value, System.String format, System.Globalization.NumberFormatInfo info) <0x24e28a0 + 0x0002b> in <filename unknown>:0 
  at System.Int32.ToString () <0x24c0380 + 0x00038> in <filename unknown>:0 
  at System.ParseNumbers.IntToString (Int32 value, Int32 toBase, Int32 width, Char paddingChar, Int32 flags) <0x2667180 + 0x00087> in <filename unknown>:0 
  at System.Convert.ToString (Int32 value, Int32 toBase) <0x244ff20 + 0x00051> in <filename unknown>:0 
  at #.ironscheme.numbers::fixnum->string (System.Object num, System.Object radix) <0x4e46320 + 0x000c3> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x00080> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1940 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4e46fd0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4810568 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1939 (IronScheme.Scripting.CodeContext $context) <0x4e46e98 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48708f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4e46a00 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1940 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4e46fd0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4810568 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1939 (IronScheme.Scripting.CodeContext $context) <0x4e46e98 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48708f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4e46a00 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1940 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4e46fd0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4810568 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1939 (IronScheme.Scripting.CodeContext $context) <0x4e46e98 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48708f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4e46a00 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1940 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4e46fd0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4810568 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1939 (IronScheme.Scripting.CodeContext $context) <0x4e46e98 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48708f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4e46a00 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1940 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4e46fd0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4810568 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1939 (IronScheme.Scripting.CodeContext $context) <0x4e46e98 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48708f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4e46a00 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1940 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4e46fd0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4810568 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1939 (IronScheme.Scripting.CodeContext $context) <0x4e46e98 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48708f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4e46a00 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1940 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4e46fd0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4810568 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1939 (IronScheme.Scripting.CodeContext $context) <0x4e46e98 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48708f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4e46a00 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1940 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4e46fd0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4810568 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1939 (IronScheme.Scripting.CodeContext $context) <0x4e46e98 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48708f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4e46a00 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1940 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4e46fd0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4810568 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1939 (IronScheme.Scripting.CodeContext $context) <0x4e46e98 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48708f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4e46a00 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1940 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4e46fd0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4810568 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1939 (IronScheme.Scripting.CodeContext $context) <0x4e46e98 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48708f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4e46a00 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1940 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4e46fd0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4810568 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1939 (IronScheme.Scripting.CodeContext $context) <0x4e46e98 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48708f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4e46a00 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1940 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4e46fd0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4810568 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1939 (IronScheme.Scripting.CodeContext $context) <0x4e46e98 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48708f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4e46a00 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1940 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4e46fd0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4810568 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1939 (IronScheme.Scripting.CodeContext $context) <0x4e46e98 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48708f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4e46a00 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1940 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4e46fd0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4810568 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1939 (IronScheme.Scripting.CodeContext $context) <0x4e46e98 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48708f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4e46a00 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1940 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4e46fd0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4810568 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1939 (IronScheme.Scripting.CodeContext $context) <0x4e46e98 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48708f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4e46a00 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1940 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4e46fd0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4810568 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1939 (IronScheme.Scripting.CodeContext $context) <0x4e46e98 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48708f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4e46a00 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1940 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4e46fd0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4810568 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1939 (IronScheme.Scripting.CodeContext $context) <0x4e46e98 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48708f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4e46a00 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1940 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4e46fd0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4810568 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1939 (IronScheme.Scripting.CodeContext $context) <0x4e46e98 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48708f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4e46a00 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1940 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4e46fd0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4810568 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1939 (IronScheme.Scripting.CodeContext $context) <0x4e46e98 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48708f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4e46a00 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1940 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4e46fd0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4810568 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1939 (IronScheme.Scripting.CodeContext $context) <0x4e46e98 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48708f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4e46a00 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1940 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4e46fd0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4810568 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1939 (IronScheme.Scripting.CodeContext $context) <0x4e46e98 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48708f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4e46a00 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1940 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4e46fd0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4810568 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1939 (IronScheme.Scripting.CodeContext $context) <0x4e46e98 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48708f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4e46a00 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1940 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4e46fd0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4810568 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1939 (IronScheme.Scripting.CodeContext $context) <0x4e46e98 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48708f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4e46a00 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1940 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4e46fd0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4810568 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1939 (IronScheme.Scripting.CodeContext $context) <0x4e46e98 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48708f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4e46a00 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1940 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4e46fd0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4810568 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1939 (IronScheme.Scripting.CodeContext $context) <0x4e46e98 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48708f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4e46a00 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1940 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4e46fd0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4810568 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1939 (IronScheme.Scripting.CodeContext $context) <0x4e46e98 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48708f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4e46a00 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1940 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4e46fd0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4810568 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1939 (IronScheme.Scripting.CodeContext $context) <0x4e46e98 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48708f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4e46a00 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1940 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4e46fd0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4810568 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1939 (IronScheme.Scripting.CodeContext $context) <0x4e46e98 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48708f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4e46a00 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1940 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4e46fd0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4810568 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1939 (IronScheme.Scripting.CodeContext $context) <0x4e46e98 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48708f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4e46a00 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1940 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4e46fd0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4810568 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1939 (IronScheme.Scripting.CodeContext $context) <0x4e46e98 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48708f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4e46a00 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1940 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4e46fd0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4810568 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1939 (IronScheme.Scripting.CodeContext $context) <0x4e46e98 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48708f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4e46a00 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1940 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4e46fd0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4810568 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1939 (IronScheme.Scripting.CodeContext $context) <0x4e46e98 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48708f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4e46a00 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1940 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4e46fd0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4810568 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1939 (IronScheme.Scripting.CodeContext $context) <0x4e46e98 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48708f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4e46a00 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1940 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4e46fd0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4810568 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1939 (IronScheme.Scripting.CodeContext $context) <0x4e46e98 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48708f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4e46a00 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1940 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4e46fd0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4810568 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1939 (IronScheme.Scripting.CodeContext $context) <0x4e46e98 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48708f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4e46a00 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1940 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4e46fd0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4810568 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1939 (IronScheme.Scripting.CodeContext $context) <0x4e46e98 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48708f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4e46a00 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1940 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4e46fd0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4810568 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1939 (IronScheme.Scripting.CodeContext $context) <0x4e46e98 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48708f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4e46a00 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1940 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4e46fd0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4810568 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1939 (IronScheme.Scripting.CodeContext $context) <0x4e46e98 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48708f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4e46a00 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1940 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4e46fd0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4810568 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1939 (IronScheme.Scripting.CodeContext $context) <0x4e46e98 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48708f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4e46a00 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1940 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4e46fd0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4810568 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1939 (IronScheme.Scripting.CodeContext $context) <0x4e46e98 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48708f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4e46a00 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1940 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4e46fd0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4810568 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1939 (IronScheme.Scripting.CodeContext $context) <0x4e46e98 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48708f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4e46a00 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1940 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4e46fd0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4810568 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1939 (IronScheme.Scripting.CodeContext $context) <0x4e46e98 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48708f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4e46a00 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1940 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4e46fd0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4810568 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1939 (IronScheme.Scripting.CodeContext $context) <0x4e46e98 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48708f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4e46a00 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1940 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4e46fd0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4810568 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1939 (IronScheme.Scripting.CodeContext $context) <0x4e46e98 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48708f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4e46a00 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1940 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4e46fd0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4810568 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1939 (IronScheme.Scripting.CodeContext $context) <0x4e46e98 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48708f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4e46a00 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1940 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4e46fd0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4810568 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1939 (IronScheme.Scripting.CodeContext $context) <0x4e46e98 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48708f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4e46a00 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1940 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4e46fd0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4810568 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1939 (IronScheme.Scripting.CodeContext $context) <0x4e46e98 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48708f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4e46a00 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1940 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4e46fd0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4810568 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1939 (IronScheme.Scripting.CodeContext $context) <0x4e46e98 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48708f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4e46a00 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x482c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::for-each (System.Object f, System.Object arg1) <0x4871ed0 + 0x00038> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-record (System.Object rec, System.Object port, System.Object readable?) <0x4e43ca0 + 0x0021f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal##f$1940 (IronScheme.Scripting.CodeContext $context, System.Object ar, System.Object dr) <0x4e46fd0 + 0x000cf> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2) <0x4810568 + 0x0003d> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair##write-normal$1939 (IronScheme.Scripting.CodeContext $context) <0x4e46e98 + 0x000f3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48708f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-pair (System.Object p, System.Object port, System.Object readable?) <0x4e46a00 + 0x002e1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1, System.Object arg2, System.Object arg3) <0x4882180 + 0x00044> in <filename unknown>:0 
  at #.ironscheme.generic-writer::write-custom-printers (System.Object printers, System.Object obj, System.Object port, System.Object readable?) <0x4966ee0 + 0x000ad> in <filename unknown>:0 
  at #.ironscheme.generic-writer::generic-write (System.Object obj, System.Object port, System.Object readable?) <0x4966b90 + 0x0011f> in <filename unknown>:0

Stack overflow; could be anything.

from racr.

christoff-buerger commented on August 30, 2024

tests/patterns.scm:

Unhandled exception during evaluation:
racr-exception
&message: "RACR exception: Invalid pattern definition; The pattern is not well-formed."

That is very interesting. It hints that Mono LLVM maybe has major bugs.

from racr.

christoff-buerger commented on August 30, 2024

all activity diagrams with input:

Unhandled CLR exception during evaluation:
CLR Exception: System.InvalidCastException
System.InvalidCastException: Specified cast is not valid.
  at racr.core.att-value+ (System.Object name, System.Object n, System.Object args) <0x4f02d60 + 0x00b94> in <filename unknown>:0 
  at ttc-2015-fuml-activity-diagrams.user-interface.run-activity-diagram (System.Object diagram-file, System.Object input-file, System.Object mode, System.Object print-trace?) <0x4ef0000 + 0x0019e> in <filename unknown>:0 
  at eval-core(004).$1 () <0x4ec8880 + 0x0012c> in <filename unknown>:0 
  at IronScheme.Scripting.ScriptCode.Run (IronScheme.Scripting.CodeContext codeContext, Boolean tryEvaluate) <0x490a2e0 + 0x0008d> in <filename unknown>:0 
  at IronScheme.Scripting.ScriptCode.Run (IronScheme.Scripting.ScriptModule module) <0x490a150 + 0x00071> in <filename unknown>:0 
  at IronScheme.Runtime.Builtins+<>c__DisplayClass52_1.<CompileCore>b__1 () <0x490a040 + 0x00027> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48a18f8 + 0x0002c> in <filename unknown>:0 
  at #.psyntax.expander::compile-r6rs-top-level#anon#1#2$2661 (IronScheme.Scripting.CodeContext $context) <0x49e92b0 + 0x00087> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48a18f8 + 0x0002c> in <filename unknown>:0 
  at #.psyntax.main::load-r6rs-top-level#1#anon#1#2#3#4#5#6$2703 (IronScheme.Scripting.CodeContext $context) <0x4990f10 + 0x00053> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48a18f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.exceptions::dynamic-wind (System.Object in, System.Object proc, System.Object out) <0x4858e00 + 0x000f8> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48a18f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.exceptions::dynamic-wind (System.Object in, System.Object proc, System.Object out) <0x4858e00 + 0x000f8> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object[] args) <0x4827478 + 0x00331> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+VarArgClosure.Call (System.Object[] args) <0x4826140 + 0x0014e> in <filename unknown>:0 
  at #.psyntax.main::load#1$2677 (IronScheme.Scripting.CodeContext $context) <0x49882c0 + 0x000d3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48a18f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.exceptions::with-exception-handlers#1#anon#1$1845 (IronScheme.Scripting.CodeContext $context) <0x4988140 + 0x0004b> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48a18f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.exceptions::dynamic-wind (System.Object in, System.Object proc, System.Object out) <0x4858e00 + 0x000f8> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x485d080 + 0x00036> in <filename unknown>:0 
  at IronScheme.Runtime.Builtins.CallWithCurrentContinuation (System.Object fc1) <0x49872e0 + 0x00093> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48a18f8 + 0x0002c> in <filename unknown>:0 
  at IronScheme.Runtime.R6RS.Exceptions.WithClrExceptionHandler (System.Object handler, System.Object thunk) <0x49870f8 + 0x00049> in <filename unknown>:0

A simple, plain cast exception. No stack overflow, no deep trace. Maybe some Scheme type is not properly handled? All diagrams have the same exception trace (except some memory addresses of course).

from racr.

christoff-buerger commented on August 30, 2024

all SiPLE programs:

Two types of exceptions can be distinguished. First (for example correct/abnormal_termination.siple)

Unhandled CLR exception during evaluation:
CLR Exception: System.InvalidCastException
System.InvalidCastException: Specified cast is not valid.
  at siple.type-coercion.specify-type-coercion#1#anon#1#2#3#4#5#6#7#8#9$234 (IronScheme.Scripting.CodeContext $context, System.Object n) <0x51facf0 + 0x0018e> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object[] args) <0x4806478 + 0x00331> in <filename unknown>:0 
  at racr.core.att-value#anon#1#2#3#4#5#6$336 (IronScheme.Scripting.CodeContext $context) <0x51cbcc0 + 0x000b5> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48808f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.exceptions::dynamic-wind (System.Object in, System.Object proc, System.Object out) <0x4837e00 + 0x000f8> in <filename unknown>:0 
  at racr.core.att-value+ (System.Object name, System.Object n, System.Object args) <0x51c7290 + 0x00b63> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object[] args) <0x4806478 + 0x00331> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+VarArgClosure.Call (System.Object[] args) <0x4805140 + 0x0014e> in <filename unknown>:0 
  at racr.core.lookup-attribute##loop#anon#1#2#3$325 (IronScheme.Scripting.CodeContext $context, System.Object n, System.Object args) <0x51cc510 + 0x000b2> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object[] args) <0x4806478 + 0x00331> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+VarArgClosure.Call (System.Object[] args) <0x4805140 + 0x0014e> in <filename unknown>:0 
  at racr.core.att-value#anon#1#2#3#4#5#6$336 (IronScheme.Scripting.CodeContext $context) <0x51cbcc0 + 0x000b5> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48808f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.exceptions::dynamic-wind (System.Object in, System.Object proc, System.Object out) <0x4837e00 + 0x000f8> in <filename unknown>:0 
  at racr.core.att-value+ (System.Object name, System.Object n, System.Object args) <0x51c7290 + 0x00b63> in <filename unknown>:0 
  at siple.type-coercion.perform-type-coercions##anon$221 (IronScheme.Scripting.CodeContext $context, System.Object n) <0x51c60b0 + 0x00053> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x483c080 + 0x00036> in <filename unknown>:0 
  at racr.core.perform-rewrites##find-and-apply#anon#1#2$414 (IronScheme.Scripting.CodeContext $context, System.Object transformer) <0x51c5f20 + 0x00054> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x483c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::find (System.Object proc, System.Object l) <0x4ef3c30 + 0x00042> in <filename unknown>:0 
  at racr.core.perform-rewrites##find-and-apply#anon$413 (IronScheme.Scripting.CodeContext $context, System.Object n) <0x51c5a90 + 0x001ce> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x483c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::find (System.Object proc, System.Object l) <0x4ef3c30 + 0x00042> in <filename unknown>:0 
  at racr.core.perform-rewrites##find-and-apply#anon$413 (IronScheme.Scripting.CodeContext $context, System.Object n) <0x51c5a90 + 0x00155> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x483c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::find (System.Object proc, System.Object l) <0x4ef3c30 + 0x00042> in <filename unknown>:0 
  at racr.core.perform-rewrites##find-and-apply#anon$413 (IronScheme.Scripting.CodeContext $context, System.Object n) <0x51c5a90 + 0x00155> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x483c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::find (System.Object proc, System.Object l) <0x4ef3c30 + 0x00042> in <filename unknown>:0 
  at racr.core.perform-rewrites##find-and-apply#anon$413 (IronScheme.Scripting.CodeContext $context, System.Object n) <0x51c5a90 + 0x00155> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x483c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::find (System.Object proc, System.Object l) <0x4ef3c30 + 0x00042> in <filename unknown>:0 
  at racr.core.perform-rewrites##find-and-apply#anon$413 (IronScheme.Scripting.CodeContext $context, System.Object n) <0x51c5a90 + 0x00155> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x483c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::find (System.Object proc, System.Object l) <0x4ef3c30 + 0x00042> in <filename unknown>:0 
  at racr.core.perform-rewrites##find-and-apply#anon$413 (IronScheme.Scripting.CodeContext $context, System.Object n) <0x51c5a90 + 0x00155> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x483c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::find (System.Object proc, System.Object l) <0x4ef3c30 + 0x00042> in <filename unknown>:0 
  at racr.core.perform-rewrites##find-and-apply#anon$413 (IronScheme.Scripting.CodeContext $context, System.Object n) <0x51c5a90 + 0x00155> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x483c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::find (System.Object proc, System.Object l) <0x4ef3c30 + 0x00042> in <filename unknown>:0 
  at racr.core.perform-rewrites##find-and-apply#anon$413 (IronScheme.Scripting.CodeContext $context, System.Object n) <0x51c5a90 + 0x00155> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x483c080 + 0x00036> in <filename unknown>:0 
  at #.ironscheme.lists::find (System.Object proc, System.Object l) <0x4ef3c30 + 0x00042> in <filename unknown>:0 
  at racr.core.perform-rewrites##find-and-apply#anon$413 (IronScheme.Scripting.CodeContext $context, System.Object n) <0x51c5a90 + 0x00155> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x483c080 + 0x00036> in <filename unknown>:0 
  at racr.core.perform-rewrites##1#loop$415 (IronScheme.Scripting.CodeContext $context) <0x51c5070 + 0x001c3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48808f8 + 0x0002c> in <filename unknown>:0 
  at racr.core.perform-rewrites+ (System.Object n, System.Object strategy, System.Object transformers) <0x51c31b0 + 0x00517> in <filename unknown>:0 
  at siple.parser.construct-parser#1#anon#1#2#3#4#5#6#7##anon$277 (IronScheme.Scripting.CodeContext $context) <0x51a81d0 + 0x00064> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48808f8 + 0x0002c> in <filename unknown>:0 
  at siple.main.siple-interpret#anon#1$444 (IronScheme.Scripting.CodeContext $context) <0x51a0760 + 0x00089> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48808f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.exceptions::dynamic-wind (System.Object in, System.Object proc, System.Object out) <0x4837e00 + 0x000f8> in <filename unknown>:0 
  at siple.main.siple-interpret (System.Object input, System.Object output-port) <0x51a0120 + 0x001f8> in <filename unknown>:0 
  at eval-core(004).$1 () <0x519fa80 + 0x0012e> in <filename unknown>:0 
  at IronScheme.Scripting.ScriptCode.Run (IronScheme.Scripting.CodeContext codeContext, Boolean tryEvaluate) <0x48e92e0 + 0x0008d> in <filename unknown>:0 
  at IronScheme.Scripting.ScriptCode.Run (IronScheme.Scripting.ScriptModule module) <0x48e9150 + 0x00071> in <filename unknown>:0 
  at IronScheme.Runtime.Builtins+<>c__DisplayClass52_1.<CompileCore>b__1 () <0x48e9040 + 0x00027> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48808f8 + 0x0002c> in <filename unknown>:0 
  at #.psyntax.expander::compile-r6rs-top-level#anon#1#2$2661 (IronScheme.Scripting.CodeContext $context) <0x4dcf8e0 + 0x00087> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48808f8 + 0x0002c> in <filename unknown>:0 
  at #.psyntax.main::load-r6rs-top-level#1#anon#1#2#3#4#5#6$2703 (IronScheme.Scripting.CodeContext $context) <0x496fc10 + 0x00053> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48808f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.exceptions::dynamic-wind (System.Object in, System.Object proc, System.Object out) <0x4837e00 + 0x000f8> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48808f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.exceptions::dynamic-wind (System.Object in, System.Object proc, System.Object out) <0x4837e00 + 0x000f8> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object[] args) <0x4806478 + 0x00331> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+VarArgClosure.Call (System.Object[] args) <0x4805140 + 0x0014e> in <filename unknown>:0 
  at #.psyntax.main::load#1$2677 (IronScheme.Scripting.CodeContext $context) <0x4966fb0 + 0x000d3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48808f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.exceptions::with-exception-handlers#1#anon#1$1845 (IronScheme.Scripting.CodeContext $context) <0x4966e30 + 0x0004b> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48808f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.exceptions::dynamic-wind (System.Object in, System.Object proc, System.Object out) <0x4837e00 + 0x000f8> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x483c080 + 0x00036> in <filename unknown>:0 
  at IronScheme.Runtime.Builtins.CallWithCurrentContinuation (System.Object fc1) <0x4965fd0 + 0x00093> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x48808f8 + 0x0002c> in <filename unknown>:0 
  at IronScheme.Runtime.R6RS.Exceptions.WithClrExceptionHandler (System.Object handler, System.Object thunk) <0x4965de8 + 0x00049> in <filename unknown>:0

and second (for example correct/assertions.siple)

Unhandled CLR exception during evaluation:
CLR Exception: System.InvalidCastException
System.InvalidCastException: Specified cast is not valid.
  at racr.core.node-find-child (System.Object n, System.Object context-name) <0x510c350 + 0x00151> in <filename unknown>:0 
  at racr.core.ast-child (System.Object i, System.Object n) <0x510bd50 + 0x00056> in <filename unknown>:0 
  at siple.well-formedness.specify-well-formedness#1#anon#1#2#3#4#5#6#7#8#9$394 (IronScheme.Scripting.CodeContext $context, System.Object n) <0x510b520 + 0x000ac> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object[] args) <0x47b2478 + 0x00331> in <filename unknown>:0 
  at racr.core.att-value#anon#1#2#3#4#5#6$336 (IronScheme.Scripting.CodeContext $context) <0x5102d00 + 0x000b5> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x482c8f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.exceptions::dynamic-wind (System.Object in, System.Object proc, System.Object out) <0x47e3e00 + 0x000f8> in <filename unknown>:0 
  at racr.core.att-value+ (System.Object name, System.Object n, System.Object args) <0x50fe2c0 + 0x00b63> in <filename unknown>:0 
  at siple.interpreter.weave-interpreter#anon#1$413 (IronScheme.Scripting.CodeContext $context, System.Object n, System.Object args) <0x510b300 + 0x00059> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object[] args) <0x47b2478 + 0x00331> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+VarArgClosure.Call (System.Object[] args) <0x47b1140 + 0x0014e> in <filename unknown>:0 
  at racr.core.ast-annotation-set!#anon$293 (IronScheme.Scripting.CodeContext $context, System.Object args) <0x510b100 + 0x0008a> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object[] args) <0x47b2478 + 0x00331> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+VarArgClosure.Call (System.Object[] args) <0x47b1140 + 0x0014e> in <filename unknown>:0 
  at IronScheme.Runtime.Closure.Call (System.Object arg1) <0x47b0ec0 + 0x00046> in <filename unknown>:0 
  at siple.main.siple-interpret#anon#1$444 (IronScheme.Scripting.CodeContext $context) <0x50dc760 + 0x000c1> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x482c8f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.exceptions::dynamic-wind (System.Object in, System.Object proc, System.Object out) <0x47e3e00 + 0x000f8> in <filename unknown>:0 
  at siple.main.siple-interpret (System.Object input, System.Object output-port) <0x50dc120 + 0x001f8> in <filename unknown>:0 
  at eval-core(004).$1 () <0x50dba80 + 0x0012e> in <filename unknown>:0 
  at IronScheme.Scripting.ScriptCode.Run (IronScheme.Scripting.CodeContext codeContext, Boolean tryEvaluate) <0x48952e0 + 0x0008d> in <filename unknown>:0 
  at IronScheme.Scripting.ScriptCode.Run (IronScheme.Scripting.ScriptModule module) <0x4895150 + 0x00071> in <filename unknown>:0 
  at IronScheme.Runtime.Builtins+<>c__DisplayClass52_1.<CompileCore>b__1 () <0x4895040 + 0x00027> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x482c8f8 + 0x0002c> in <filename unknown>:0 
  at #.psyntax.expander::compile-r6rs-top-level#anon#1#2$2661 (IronScheme.Scripting.CodeContext $context) <0x4d7b8e0 + 0x00087> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x482c8f8 + 0x0002c> in <filename unknown>:0 
  at #.psyntax.main::load-r6rs-top-level#1#anon#1#2#3#4#5#6$2703 (IronScheme.Scripting.CodeContext $context) <0x491bc10 + 0x00053> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x482c8f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.exceptions::dynamic-wind (System.Object in, System.Object proc, System.Object out) <0x47e3e00 + 0x000f8> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x482c8f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.exceptions::dynamic-wind (System.Object in, System.Object proc, System.Object out) <0x47e3e00 + 0x000f8> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object[] args) <0x47b2478 + 0x00331> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+VarArgClosure.Call (System.Object[] args) <0x47b1140 + 0x0014e> in <filename unknown>:0 
  at #.psyntax.main::load#1$2677 (IronScheme.Scripting.CodeContext $context) <0x4912fb0 + 0x000d3> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x482c8f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.exceptions::with-exception-handlers#1#anon#1$1845 (IronScheme.Scripting.CodeContext $context) <0x4912e30 + 0x0004b> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x482c8f8 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.exceptions::dynamic-wind (System.Object in, System.Object proc, System.Object out) <0x47e3e00 + 0x000f8> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x47e8080 + 0x00036> in <filename unknown>:0 
  at IronScheme.Runtime.Builtins.CallWithCurrentContinuation (System.Object fc1) <0x4911fd0 + 0x00093> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x482c8f8 + 0x0002c> in <filename unknown>:0 
  at IronScheme.Runtime.R6RS.Exceptions.WithClrExceptionHandler (System.Object handler, System.Object thunk) <0x4911de8 + 0x00049> in <filename unknown>:0

Again, simple cast exceptions without big traces.

from racr.

christoff-buerger commented on August 30, 2024

IMPORTANT: Because the LLVM-based Mono is to buggy, I now switch back to the default, JIT-based version.

from racr.

christoff-buerger commented on August 30, 2024

To investigate the Unhandled CLR exception during evaluation: () error of tests/ast-construction.scm further, I activated a more detailed stack tracing in IronScheme (it can be activated by importing (ironscheme) and setting (display-stacktrace #t) immediately before execution of the test). The detailed trace yields on JIT-based Mono:

Stack overflow in unmanaged: IP: 0x266aa7, fault addr: 0xbf7d0ffc
Stack overflow in unmanaged: IP: 0xe185c, fault addr: 0xbf7cff3c
Stack overflow in unmanaged: IP: 0x95f78a41, fault addr: 0xbf7cffbc
Stack overflow in unmanaged: IP: 0x161a3c, fault addr: 0xbf7cfde0
Unhandled CLR exception during evaluation:
CLR Exception: System.NullReferenceException
System.NullReferenceException: Object reference not set to an instance of an object
  at #.psyntax.main::with-guard#1$2667 (IronScheme.Scripting.CodeContext $context, System.Object e) <0x3af04c0 + 0x0005f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x382e478 + 0x00036> in <filename unknown>:0 
  at IronScheme.Runtime.R6RS.Exceptions.WithClrExceptionHandler (System.Object handler, System.Object thunk) <0x38ce698 + 0x00077> in <filename unknown>:0 
  at #.psyntax.main::with-guard (System.Object f) <0x38e3828 + 0x001cf> in <filename unknown>:0 
  at IronScheme.Scripting.ScriptCode.Run (IronScheme.Scripting.CodeContext codeContext, Boolean tryEvaluate) <0x388db78 + 0x000c6> in <filename unknown>:0 
  at IronScheme.Scripting.ScriptCode.Run (IronScheme.Scripting.ScriptModule module) <0x388dad0 + 0x0008b> in <filename unknown>:0 
  at IronScheme.Runtime.Builtins+<>c__DisplayClass52_1.<CompileCore>b__1 () <0x388da98 + 0x0002f> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x3862848 + 0x0002c> in <filename unknown>:0 
  at #.psyntax.expander::eval (System.Object x, System.Object env) <0x383a4e0 + 0x000f7> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x3862848 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.exceptions::dynamic-wind (System.Object in, System.Object proc, System.Object out) <0x3869f80 + 0x0017b> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x3862848 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.exceptions::with-exception-handlers#1#anon#1$1845 (IronScheme.Scripting.CodeContext $context) <0x38cf200 + 0x0004b> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x3862848 + 0x0002c> in <filename unknown>:0 
  at #.ironscheme.exceptions::dynamic-wind (System.Object in, System.Object proc, System.Object out) <0x3869f80 + 0x0017b> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call (System.Object arg1) <0x382e478 + 0x00036> in <filename unknown>:0 
  at IronScheme.Runtime.Builtins.CallWithCurrentContinuation (System.Object fc1) <0x38ce7e0 + 0x00102> in <filename unknown>:0 
  at IronScheme.Runtime.Closure+SimpleClosure.Call () <0x3862848 + 0x0002c> in <filename unknown>:0 
  at IronScheme.Runtime.R6RS.Exceptions.WithClrExceptionHandler (System.Object handler, System.Object thunk) <0x38ce698 + 0x00049> in <filename unknown>:0

from racr.

christoff-buerger commented on August 30, 2024

The lastest version of IronScheme fixes an error regarding the opaque property not being set on compiled records (IronScheme/IronScheme@e06a7be). This fix solves the problems of tests/ast-construction.scm.

It seems, that opaque records that are part of a compiled library were not flagged to be opaque in IronScheme. For this reason call-with-string-output-port and display decomposed them when object->string is used in throw-exception. The opaque records of RACR are cyclic however, such that no finite decomposition exists. Thus, when throw-exception is used to throw human readable error messages in case of a specification error and one of its arguments was a cyclic opaque record, IronScheme erroneously tried to decompose it via call-with-string-output-port and display. Fix IronScheme/IronScheme@e06a7be now properly sets the opaque flag of records part of a compiled library, effectively prohibiting to investigate them for a non-existent decomposition.

IronScheme now passes all RACR tests on JIT-based Mono.

from racr.

IronScheme fails test suite about racr HOT 25 CLOSED

Comments (25)

tests/ast-construction.scm:

tests/patterns.scm:

examples/ttc-2015-fuml-activity-diagrams/examples/contest-tests: test5.ad, test6_false.ad, test6_true.ad, testperformance_variant3_2.ad:

siple/examples/correc: abnormal_termination.siple, closures.siple, nested_procedures.siple, pointers.siple, procedure_basics.siple, type_coercions.siple:

siple/examples/correct: assertions.siple, boolean_arithmetics.siple, control_flow.siple, integer_and_real_arithmetics.siple, relational_arithmetics.siple, scopes.siple:

siple/examples/incorrect: abnormal_termination.siple, procedure_basics.siple, procedure_parameter_redeclarations.siple:

siple/examples/incorrect: assertions.siple, boolean_arithmetics.siple, control_flow.siple, integer_and_real_arithmetics.siple, relational_arithmetics.siple, scopes.siple:

composed-petrinets/examples/purchase-processing.scm:

composed-petrinets/examples/runtime-structure-example-slide.scm:

composed-petrinets/examples/syntax-tests.scm:

tests/ast-construction.scm:

tests/patterns.scm:

all activity diagrams with input:

all SiPLE programs:

Related Issues (20)

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