Test for HatenaBlog

gistfile1.rb

#!/usr/bin/env ruby
# encoding: utf-8

# name space
module Cook; end

# スープに塩を加える
module Cook::Salt
  def self.included(klass)
    klass.extend(ClassModule)
  end

  module ClassModule
    def add_salt
      p "Salt seasons all things."
    end
  end
end

class Soup
  include Cook::Salt

  def initialize()
    super
  end
end

Soup.add_salt