From: Brian Candler <B.Candler@...>
Date: 2003-05-09T22:09:59+09:00
Subject: Re: Can a global be a constant?

On Fri, May 09, 2003 at 09:14:58PM +0900, Jim Freeze wrote:
> Hmm, associated singleton class seems weird to me.
> Why does an object (in this case a class object) 
> have an associated singleton class? Don't objects 
> just have single methods added to them?

The singleton methods are added into the object's singleton class. You can
actually get hold of a reference to the singleton class, with a little
trickery, which proves it's a separate object. I wrote this up, see

http://www.rubygarden.org/ruby?SingletonTutorial

and skip down to "Advanced: how to get hold of a singleton class"

Cheers,

Brian.