[plt-scheme] When does eqv? differ from eq? , from equal?

At Mon, 06 Oct 2008 19:52:41 -0700, David Vanderson wrote:
> 
> Can someone enlighten me about make-hash and make-hasheq?  It would seem 
> that if eqv? is necessary, then make-hasheqv would also be necessary.
> 
> Or is it that the number and character distinction between eq? and eqv? 
> is rarely needed in hashes?  Or am I missing something obvious?

You're right --- we really should add `eqv?'-based hash tables.


Matthew