# File lib/mongo_mapper/plugins/inspect.rb, line 7
      def inspect(include_nil = false)
        keys = include_nil ? key_names : attributes.keys
        attributes_as_nice_string = keys.sort.collect do |name|
          "#{name}: #{self.send(:"#{name}").inspect}"
        end.join(", ")
        "#<#{self.class} #{attributes_as_nice_string}>"
      end