From: Eric Hodel <drbrain@...7.net>
Date: 2007-01-30T17:10:51+09:00
Subject: Re: Sane #hash implementation?

On Jan 29, 2007, at 23:26, Shot (Piotr Szotkowski) wrote:
> Eric Hodel:
>> On Jan 29, 2007, at 14:38, Shot (Piotr Szotkowski) wrote:
>>> I�m stuck when it comes to Block#hash, though; I need these to be  
>>> true:
>>> Block.new.hash == Block.new.hash
>>> Block.new([1,2]).hash == Block.new([1,2]).hash
>
>> Try:
>
>> class Block
>>   def hash
>>     to_a.hash
>>   end
>> end
>
> Thanks a lot, Eric! This is the �d�oh!� solution I was looking for. :)

You may want to define #eql? in terms of #to_a as well...