From: Jez Stephens <jezstephens@...>
Date: 2006-08-27T23:45:34+09:00
Subject: Keep track of all instances of a class without losing GC?

Hi,

I want to be able to keep track of all instances of a class using 
something simple like this:

Class Thing
    @@allthings = []

    def initialize
        @@allthings.push self
    end
end

However an obvious drawback to this approach is that instances of this 
class will never be garbage collected due to the reference held in 
@@allthings.

Is there a way to make it so this reference in @@allthings "doesn't 
count", so to speak?

Or is there a better way of doing it?

Thanks for your help

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