From: James Britt <james_b@...>
Date: 2005-10-18T11:11:56+09:00
Subject: Re: How do you write an equality method?

David Corbin wrote:
> Without getting into the details of which equality method (eql?, equal?, ==), 
> I'm curious about how such a method should be written for class where you're 
> trying to keep the interface appropriatley private.
> 
> Consider:
> 
> class Foo
> 	def initialize(color)
> 		@color = color
> 	end
> 	.
> 	.
> 	.
> end
> 
> If I do not wish to expose color via an attr_reader, how do I write an 
> equality method for this class?

What would make two objects 'equal' ?


James
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