Method Combination


Hooks can be added to arbitrary method

    class Foo
      def foo:pre(*args)
        p "pre"
      end
      def foo:post(*args)
        p "post"
      end
      def foo:wrap(*args)
        p "wrap pre"
        super
        p "wrap post"
      end
      def foo(*args)
        p "foo"
      end
   end
   Foo.new.foo
   wrap pre
   pre
   foo
   post
   wrap post