From: Christoph Date: 2004-12-04T23:11:54+09:00 Subject: Re: Hash#eql? and Hash key testing Christoph schrieb: > however hashes have different > Hash values (their ids - the same is true for Sets) Correction: If I remember correctly Set uses something def hash @rep_hash.hash end which is effectively the same as using the id of the Sets as Hash values (which makes you wonder why go through the trouble and provide the Set class with a customized #hash method at all ) /Christoph