blob: 594ce33dbd5c6c24a9af8d37ce9c01ca985fcb23 [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
`Future<flatten(S)>` is not assignable to `T`.
Future<int> v = null;
Future<String> test() async {
return /*@compile-error=unspecified*/ v;
void main() {