gistfile1.rb

module M
  module N
    class C
      def say(str)
        puts str
      end
    end
  end 
end

module M
  module N
    class D
      def initialize(str)
        M::N::C.new.say str  #seems like i shouldn't have to explicitly declare the full namespace for a sibling
      end
    end
  end
end


module M
  module N
    class E
      include M::N # seems odd to include a module that i've just declared as the parent
      def initialize(str)
        C.new.say str
      end
    end
  end
end