From: Rick DeNatale <rick.denatale@...>
Date: 2009-02-19T07:33:34+09:00
Subject: Re: Tree structure - how do we link nodes together?

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On Wed, Feb 18, 2009 at 5:08 PM, Michael Malone
<michael.malone@tait.co.nz>wrote:

> Essentially, the main information you require is that, everything in Ruby
> is an object, and every object is actually a reference to an object.
>

Actually, no.

The value of any expression is an object.

Every object consists of references to objects.

Variables and parameters are named references to objects.

Assignment transfers the reference to the object, not the object itself.

-- 
Rick DeNatale

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