mirror of
https://github.com/dart-lang/sdk
synced 2024-09-16 04:37:12 +00:00
a2b556b937
Change-Id: Ia5c41dda6503e1fbb8cc6099835d07588425e2ba Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/128310 Commit-Queue: Bob Nystrom <rnystrom@google.com> Auto-Submit: Bob Nystrom <rnystrom@google.com> Reviewed-by: Lasse R.H. Nielsen <lrn@google.com>
20 lines
666 B
Dart
20 lines
666 B
Dart
// Copyright (c) 2016, 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.
|
|
|
|
// In non strong-mode, `FutureOr<T>` is dynamic, even if `T` doesn't exist.
|
|
// `FutureOr<T>` can not be used as superclass, mixin, nor can it be
|
|
// implemented (as interface).
|
|
|
|
import 'dart:async';
|
|
import 'package:expect/expect.dart';
|
|
|
|
class A
|
|
extends FutureOr<String> /*@compile-error=unspecified*/
|
|
extends Object with FutureOr<bool> /*@compile-error=unspecified*/
|
|
implements FutureOr<int> /*@compile-error=unspecified*/
|
|
{}
|
|
|
|
main() {
|
|
}
|