| // Copyright (c) 2016, 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 Let T be the static type of e and let f be the immediately |
| * enclosing function. |
| * It is a static type warning if the body of f is marked async and the type |
| * Future<flatten(T)> may not be assigned to the declared return type of f. |
| * Otherwise, it is a static type warning if T may not be assigned to the |
| * declared return type of f. |
| * |
| * @description Checks that compile error occurs if the type |
| * Future<flatten(T)> may not be assigned to the declared return type of the |
| * immediately enclosing function, marked async. |
| * |
| * @compile-error |
| * @author a.semenov@unipro.ru |
| */ |
| import 'dart:async'; |
| import '../../../Utils/expect.dart'; |
| |
| Future<int> foo() async { |
| return 'a'; |
| } |
| |
| main() {} |