From: Robert Klemme <bob.news@...>
Date: 2005-08-31T21:51:24+09:00
Subject: Re: Intercepting, Resuming Overridden Methods

Gavin Kistner wrote:
> Is there a clean, good, easy way to do the following:
>
> class Human; end
> class Male < Human
>      def laugh
>          puts "Yo ho ho"
>      end
> end
> class Female < Human
>      def laugh
>          puts "Tee hee"
>      end
> end
>
> module Yokel
>      #...special code here...
> end
>
> class Human
>      include Yokel
> end
>
> m = Male.new
> m.laugh
> #=> "Slapping my knee"
> #=> "Yo ho ho"
> #=> "Snorting"
>
>
> f = Female.new
> f.laugh
> #=> "Slapping my knee"
> #=> "Tee hee"
> #=> "Snorting"

I once hacked something together which might help you.  It's here
http://www.rubygarden.org/ruby?MethodHooks

And there have been lengthy discussions about the issue quite some time
ago.  Guess you'll find them if you search for "method hooks".

Kind regards

    robert