investigate whether garbage production can be minimized about rep_lang HOT 2 CLOSED

vayu :: ~/projects/rep_lang ‹laziness-post-sto*› » cargo run --bin rle ./rep_lang_concrete_syntax/examples/stdlib.rl | grep CellRedirect | wc -l
    Finished dev [unoptimized + debuginfo] target(s) in 0.01s
     Running `target/debug/rle ./rep_lang_concrete_syntax/examples/stdlib.rl`
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vayu :: ~/projects/rep_lang ‹laziness-post-sto*› » cargo run --bin rle ./rep_lang_concrete_syntax/examples/stdlib.rl | grep CellThunk | wc -l
    Finished dev [unoptimized + debuginfo] target(s) in 0.02s
     Running `target/debug/rle ./rep_lang_concrete_syntax/examples/stdlib.rl`
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git push --set-upstream origin sto_cell_redirect