delegatable.rb

delegatable.rb

module Delegatable
  def self.included(base)
    base.class_eval do
      def self.delegate_method(method, to)
        define_method(method) do |*args|
          instance_variable_get(to).__send__(method, *args)
        end
      end
    end
  end
end

class X
  include Delegatable
  delegate_method :push, :@que
  attr_accessor :que
  def initialize
    @que = []
  end
end

x = X.new
x.push 1, 2, 3
p x.que