// 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'; | |
/* | |
* `return exp;` where `exp` has static type `S` is an error if | |
`Future<flatten(S)>` is not assignable to `T`. | |
*/ | |
FutureOr<int> v = null; | |
Future<String> test() async { | |
return /*@compile-error=unspecified*/ v; | |
} | |
void main() { | |
test(); | |
} |