From: Trans <transfire@...>
Date: 2005-07-29T23:11:02+09:00
Subject: On-the-fly convertion of function modules into include modules

.... I've been wanting this functionality for years. I even considered
writing an RCR for it. Now I finally figured out a way to do it in
Ruby. And it was surprisingly simple!

  module PromoteSelf
    def singleton_method_added( meth)
      d = %{
        def #{meth}(*args)
          #{self.name}.#{meth}(self,*args)
        end
      }
      self.class_eval d
    end
  end

  module String::Format
    class << self
      include PromoteSelf

      def jumble( obj, x, y )
        p obj+x+y
      end
    end
  end

  String::Format.jumble( "TryMe", '!', '!' )

  class String
    include Format
  end

  "TryMe".jumble( '!', '!')

Now I _can_ have my cake and eat it too :-)

T.