gistfile1.txt

module M2
  def m2_meth
    puts "m2_meth"
  end

  def rufus
    self.stuff
  end
end

module M1
  include M2

  def m1_meth
    puts "m1_meth"
  end
end

class C
  include M1

  attr_reader :stuff

  def initialize 
    @stuff = 'a' 
  end
end

puts "-> " + C.new.rufus

# -> a