From: David Corbin <dcorbin@...>
Date: 2005-10-18T08:24:54+09:00
Subject: How do you write an equality method?

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?

David