[racket-dev] member like assoc

+1, and maybe also add a racket2 item to get rid of all of the
unnecessary functions?  (I think that member/assoc/etc are better with
`eq?' than using memq/assq/etc.)


Two days ago, Matthias Felleisen wrote:
> 
> +1, do it. 
> 
> On May 31, 2013, at 7:40 PM, Asumu Takikawa wrote:
> 
> > Hi all,
> > 
> > Is it feasible to get `member` to have the same optional argument
> > behavior as `assoc`? That is, to have an equality predicate as the third
> > argument.
> > 
> > I find myself writing the (imaginary) equivalent of things like:
> >  (member id some-list free-identifier=?)
> > 
> > and it seems like it would be nicer with an extra `member` argument than
> > with `memf`.

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