| // 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 `T` is `void` |
| * and `S` is not `void`, `dynamic`, or `Null`. |
| */ |
| |
| Future<int>? v = null; |
| void test() { |
| return v; |
| // ^ |
| // [analyzer] unspecified |
| // [cfe] Can't return a value from a void function. |
| } |
| |
| void main() { |
| test(); |
| } |