# File lib/mongo_mapper/plugins/keys.rb, line 289
      def attributes=(attrs)
        return if attrs == nil || attrs.blank?

        attrs.each_pair do |key, value|
          if respond_to?("#{key}=""#{key}=")
            self.send("#{key}=""#{key}=", value)
          else
            self[key] = value
          end
        end
      end