From: ts <decoux@...>
Date: 2001-08-01T14:29:47+09:00
Subject: [ruby-talk:18936] Re: Hash vs ==

>>>>> "N" == Ned Konz <ned@bike-nomad.com> writes:

N> My implementation takes a callback to generate a key for comparison. This 
N> makes sense in Perl, but what are the rules in Ruby? If you override == are 
N> you expected to override hash() as well (as in Smalltalk)? If so, I could use 
N> hash.

 Ruby use #eql? to compare 2 keys.

 If you redefine #eql?, you must update #hash


Guy Decoux