gistfile1.builder

class Object

  # call send on nested objects. 
  # example: nested_send(blog_post, 'author.name') #=> 'Bob'
  # returns nil if any call returns nil
  def nested_send(method_name)
    val = self
    method_names = method_name.split('.')
    method_names.each do |m|
      return nil unless val
      val = val.send m.to_sym
    end
    val
  end

end