| /* | |
| * 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 to declare an optional parameter in an | |
| * operator. | |
| * @description Checks that a compile-time error is produced if a user-defined | |
| * operator [] specifies one optional named parameter. | |
| * @compile-error | |
| * @author ilya | |
| */ | |
| class C { | |
| operator []({var o}) {} | |
| } | |
| main() { | |
| new C()[]; | |
| } |