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

10 hours ago, Matthew Flatt wrote:
> At Sun, 24 Apr 2011 20:53:22 -0400, Eli Barzilay wrote:
> > 10 hours ago, Matthew Flatt wrote:
> > > I've pushed the change that makes `assoc', `assv', and `assq'
> > > implemented in Racket, including the new optional argument for
> > > `assoc'.
> > 
> > [...]
> > 
> > Also, what about `member'?
> 
> I almost moved that one, but then I decided to wait until I have a
> conservative solution for non-JITting platforms.

What just adding the extra argument?  (Either in C or as a racket
wrapper.)

-- 
          ((lambda (x) (x x)) (lambda (x) (x x)))          Eli Barzilay:
                    http://barzilay.org/                   Maze is Life!