erubboli · September 11, 2010 10:44
diff --git a/composite_common_mistake.rb b/composite_common_mistake.rb
 class City
  include Composite

  def initialize
    @children = []
  end

  def count_children
        @children.lenght
  end
 end
	class City
	include Composite

	def initialize
	@children = []
	end

	def count_children
	@children.lenght
	end
	end