| /* |
| * 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 Consider a return statement s of the form return e?; |
| * ... |
| * It is a compile-time error if s is |
| * return;, unless T is void, dynamic, or Null |
| * |
| * @description Checks that a compile error occurs if a statement of the form |
| * "return;" is used in an asynchronous instance method whose declared return |
| * type may not be assigned to Future<Null>. |
| * |
| * @Issue 42459 |
| * @author a.semenov@unipro.ru |
| */ |
| import 'dart:async'; |
| |
| class C { |
| C() { } |
| Future<int> foo() async { |
| return; |
| // ^^^^^^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| } |
| } |
| |
| main() { |
| new C().foo(); |
| } |
