# File lib/aws/dynamo_db/attribute_collection.rb, line 218
      def delete *args
        if args.first.kind_of?(Hash)
          delete_args = [args.shift]
        else
          delete_args = args
        end
        options = args.pop if args.last.kind_of?(Hash)
        update(options || {}) { |u| u.delete(*delete_args) }
      end