blob: d4ae86a0a73f6506b75ac198d3df7d5a4d2d48ee [file] [log] [blame]
// 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.
// @dart = 2.9
// 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() {