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3 points by waterhouse 4997 days ago | link | parent

For context, by the way, the above is a direct reply to this comment from ac.scm, right before the old definitions of x-set-car! and x-set-cdr!:

  ; decide at run-time whether the underlying mzscheme supports
  ; set-car! and set-cdr!, since I can't figure out how to do it
  ; at compile time.