From: Erik Veenstra Date: 2007-09-15T06:57:01+09:00 Subject: Re: define method hook > Is there a way to intercept method defines, so that i can setup a > callback whenever a new method is defined for a class? class Module def method_added(method_name) p [caller[0], self, method_name] end end class Foo def bar end end gegroet, Erik V.