eq and hashing (was Re: [plt-scheme] How to make unit functors?)

From: Robby Findler (robby at cs.uchicago.edu)
Date: Thu May 29 13:01:11 EDT 2003

At Thu, 29 May 2003 17:34:44 +0200, Jens_Axel_Søgaard wrote:
>   For list-related administrative tasks:
>   http://list.cs.brown.edu/mailman/listinfo/plt-scheme
> Robby Findler wrote:
> >But, if you take the hash-code of one of them and then wait a while
> >(and perform some garbage collections) then take the hash-code of the
> >other, you'll find that they are different. 
> >
> I have understood the hash-code will remain the same as long as the symbol
> (that specific) is alive.

That's right. The "one of them" and the "other" above refer to two
different 'x symbols (from my earlier message), typed in at different


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