blob: 9c924159e77918ecc68d6b1676109fd0ad3ca464 [file] [log] [blame]
// 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 the future
* value type of the function is neither `void` nor `dynamic`,
* and `flatten(S)` is `void` or `void*`.
* With null-safety, this is an error because of the downcast and the use of
* an expression of type `void`.
void v = null;
FutureOr<int> test() async {
return v;
// ^
// [cfe] A value of type 'void' can't be returned from an async function with return type 'FutureOr<int>'.
void main() {