| // 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. | |
| // @dart = 2.9 | |
| import 'dart:async'; | |
| void main() { | |
| test(); | |
| } | |
| // Testing that a block bodied async function may not have an empty return | |
| Future<FutureOr<void>> test() async { | |
| return; //# none: compile-time error | |
| } |