From: Sebastian Hungerecker <sepp2k@...>
Date: 2009-04-30T09:27:27+09:00
Subject: Re: object scope and cleanup

ball wrote:
> It fails, saying that there are 3 objects (not 2). Presumably because
> the previous BinarySearchTree didn't delete the TreeNode.
>
> Can you explain why?

Because the garbace collector doesn't destroy objects as soon as possible. He 
destroys them when it's convenient or necessary.

> And what can I do about it? (including "don't use ObjectSpace that
> way")

Don't use ObjectSpace that way.
An object will be in ObjectSpace longer than it is used (sometimes much 
longer), so the number of objects of a kind in ObjectSpace means nothing.

HTH,
Sebastian