From: Duck Typist <duck@...>
Date: 2009-09-04T04:30:15+09:00
Subject: Re: Class#descendants?

Tony Arcieri wrote:
> Oi, good catch.
> 
> So the question remains... can this be done without ObjectSpace?

Yes, if you're willing to accept the monkeypatch on Class:

http://pastie.org/604847
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