I would like to look closely at this. Can you send me a patch? At Fri, 22 Apr 2011 16:26:42 -0400, Vincent St-Amour wrote: > Currently, unlike remove and remove-duplicates, assoc and member > cannot use a user-provided equality check. I have a patch that fixes > that by adding an optional argument to these two functions. > > With this patch, assoc and member are implemented in Racket. They are > currently implemented in C. I haven't measured the performance impact > of the change, but I can do it if someone believes it's necessary. > > Is anyone opposed to this change? > > Vincent
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