class Object
  # The hidden singleton lurks behind everyone
   def metaclass; class << self; self; end; end
   def meta_eval(&blk)
     metaclass.instance_eval(&blk)
   end

   # Adds methods to a metaclass
   def meta_def(name, &blk)
     meta_eval { define_method(name, &blk) }
   end
   
  # Defines an instance method within a class
  def class_def(name, &blk)
    class_eval { define_method(name, &blk) }
  end 
end