blob: 6cde58665f5cdb2f900a6c3649483e99a7f4f588 [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.
// @dart = 2.9
import 'dart:async';
* `return exp;` where `exp` has static type `S` is an error if `flatten(T)` is
`void` and `flatten(S)` is not `void`, `dynamic`, or `Null`
Future<int> v = null;
void test() async {
return /*@compile-error=unspecified*/ v;
void main() {