post.rb

# post.rb ############

module Commentable
  attr_accessor :comments

  def setup_comments
    @comments ||= []
  end

  def add_comment(comment)
    @comments << comment
  end
  
  # remove comment
  
  # sorted comments
  
  # find comment

end


# create a Post class with a title and body attributes. make it commentable using the Commentable module
# test drive the code