Some module test

module_test.rb

module Debug
  def whoAmI?
    "#{self.name} (\##{self.id}): #{self.to_s}"
  end
end

module Debugger
  def whoAmI?
    "#{self.id}: #{self.to_s}"
  end
end

class Person
  include Debug
  include Debugger

  attr :id, :name

  def initialize(id, name)
    @id = id
    @name = name
  end
end