From: matz@... (Yukihiro Matsumoto)
Date: 2001-07-21T11:08:49+09:00
Subject: [ruby-talk:18235] Re: how does hash locate pairs?

Hi,

In message "[ruby-talk:18223] Re: how does hash locate pairs?"
    on 01/07/21, Avi Bryant <avi@beta4.com> writes:

|Anytime you redefine ==, you need to redefine hash such that if a == b,
|a.hash == b.hash.

Hash uses "eql?", so that you need to redefine hash such that if
a.eql?(b), a.hash == b.hash.

							matz.