blob: 819d0df8a04fc42b6fdbfc8a7243a809ac88cee9 [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` and the future value type of
* the function is `Tv` is an error if `S` is not assignable to `Tv` and
* `flatten(S)` is not a subtype of `Tv`.
*/
Future<Future<String>> v = Future.value(Future<String>.value(''));
Future<String> test1() async {
return v;
// ^
// [analyzer] unspecified
// [cfe] A value of type 'Future<Future<String>>' can't be returned from an async function with return type 'Future<String>'.
}
Future<String> Function() test2 = () async {
return v;
// ^
// [analyzer] unspecified
// [cfe] A value of type 'Future<Future<String>>' can't be returned from an async function with return type 'Future<String>'.
};
void main() {
test1();
test2();
}