wat.rbt

    require 'forwardable'
     
    Foo = Struct.new(:x) do
    	def bar
    		x
    	end
    end
     
    class Bar
    	extend Forwardable
    	def_delegators :@foo, :bar,
     
    	def initialize
    		@foo = Foo.new(12)
    	end
    end
     
    puts Bar.new.bar