// Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

/**
 * @assertion It is a compile-time error if the arity of a user-declared 
 * operator with one of the names:
 * <, >, <=, >=, ==, -, +,  ̃/, /, *, %, |, ˆ, &, <<, >>, >>>, [] is not 1.
 * @description Checks that a compile-time error is produced if a user-defined
 * operator [] specifies no parameters.
 * @compile-error
 * @author iefremov
 */

class C {
  operator []() {}
}

main() {
  new C()[0];
}