From: Matt Mower <matt.mower@...>
Date: 2005-01-08T23:45:53+09:00
Subject: Re: Strange behavior of hash key

Hi Tim,

On Sat, 8 Jan 2005 19:36:26 +0900, Tim Sutherland <timsuth@ihug.co.nz> wrote:
> >Hmm... except that I tried a naive redefinition of Hash#eql? to:
> >
> >def eql?( o ); self == o; end;
> >
> >and the example still doesn't work.  Guess I'm just wrong ;-)
> 
> You also need to define Hash#hash so that eql objects have the same hash
> code.
> 

Of course, I got sidetracked by eql? and forgot that the problem was,
ultimately, about the hashing function.  The real answer was in the
difference between Object#hash which presumably uses object_id and
String#hash which uses length & content.

Thanks for putting me straight,

Matt

-- 
Matt Mower :: http://matt.blogs.it/