class mixin in ruby

gistfile1.rb

require 'support/discussions' #require module

class Admin::DiscussionsController < ApplicationController
  include Support::Discussions
    
  def index
    # Call class/static method
    Admin::DiscussionsController.test()
    #Call instance method
    test2()
  end
end


################
# lib/support.rb
module Support
  module Discussions
    
    def self.included(base)
      base.extend(ClassMethods)
    end
    
    module ClassMethods
      def test
        puts "haha"
      end
    end
    
      def test2
        puts "hellooo"
      end
  end
end