| // Copyright (c) 2018, 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. | |
| import 'dart:async'; | |
| main() { | |
| Future f = new Future(() => 12345); | |
| Future<FutureOr> f1 = f; | |
| FutureOr fo = f; | |
| f1 = fo as Future<FutureOr>; | |
| } |