libertinaje

libertinaje.rb

module Attributes
  attr_accessor :mi_atributo
end

class LaClase
  include Attributes
  
  def por_que_funciona?
    valor = mi_atributo + 3
  end
  
  def le_paso_el_atributo(mi_atributo)
    valor = mi_atributo + 5
  end
end