[racket-dev] Optional equality predicate for assoc and member

On Sun, Apr 24, 2011 at 8:19 PM, Matthew Flatt <mflatt at cs.utah.edu> wrote:
> I don't think the current cycle-checking cost is significant. Also, if
> a program uses `assoc' on a list that's long enough for locality of the
> turtle to matter, then it probably has bigger problems. But don't let
> me stop you from experimenting!

Indeed, you're right. And now that I look at the code carefully, I see
that it is implemented in a much better way than I had imagined.

Robby