From: dave.burt@...
Date: 2005-08-15T08:21:12+09:00
Subject: Re: Mixing Constants into objects

 class Foo
  def barer
   bar.new
  end
 end
 module M
  class Bar
  end
  def bar() Bar end
 end
 foo=Foo.new
 foo.extend M
 foo.barer   #=> #<Foo::Bar:0x2940eb8>