| // 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 error if the return type of the user-declared |
| * operator []= is explicitly declared and not void. |
| * @description Checks that it is a static warning if the return type of |
| * the user-declared operator []= is not void. |
| * @author msyabro |
| * @author sgrekhov@unipro.ru |
| * @issue 42198 |
| */ |
| |
| class C { |
| int operator []=(index, value) => 42; |
| //^^^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| operator[](index) {} |
| } |
| |
| main() { |
| C c = new C(); |
| c[0] = new C(); |
| } |
