Comments (3)
jimhester
commented on September 3, 2024
1ba3810 should close this.
There were actually two separate issues going on here.
- S4 classes need the methods package to be loaded and the default environment the expressions were evaulated in was
baseenv(), which does not loadmethods. - If there was a error in evaluating no expression would be assigned to
fun, so it would break when laterbody(fun)was run.
So the fix was to use globalenv() rather than baseenv() and to only continue the object usage checks if the evaluation did not error.
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jimhester
commented on September 3, 2024
Also using this package for homework grading is something I had never thought of, great idea!
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fabian-s
commented on September 3, 2024
Awesome, thank you!
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