| /* |
| * 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 |
| * operator: |
| * ‘˜’ | |
| * binaryOperator | |
| * ‘[’ ‘]’ | |
| * ‘[’ ‘]’ ‘=’ |
| * ; |
| * binaryOperator: |
| * multiplicativeOperator | |
| * additiveOperator | |
| * shiftOperator | |
| * relationalOperator | |
| * ‘==’ | |
| * bitwiseOperator |
| * ; |
| * @description Checks that it is a compile-time error if a class defines an |
| * operator without a formal parameter list. |
| * @author iefremov |
| * @compile-error |
| */ |
| |
| class C { |
| int operator - {return 42;} |
| } |
| |
| main() { |
| C c = new C(); |
| var x = -c; |
| } |