From: Jason Lillywhite <jason.lillywhite@...>
Date: 2009-08-13T04:30:47+09:00
Subject: Class#descendants?

Ruby can do Class#ancestors but not Class#descendants.

I found this: http://termos.vemod.net/class-descendants

But it only works after you define a new inheritance. Is there a way to
find descendants of a class that is already in place? For example:

Numeric.descendants
=> [Integer, Float, Complex]

Thank you.
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