dart-sdk/tests/language/regress/regress25568_test.dart
Robert Nystrom 67539c2faf Migrate language_2/regress to NNBD.
Change-Id: I318742cd4303d70c0625c9efd98bb01087aa5de4
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/150466
Commit-Queue: Bob Nystrom <rnystrom@google.com>
Reviewed-by: Erik Ernst <eernst@google.com>
2020-06-13 01:00:22 +00:00

25 lines
901 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.
main() {
var c1 = new BacklogListEditorState();
var c2 = new BacklogsState();
}
class BacklogListEditorState
extends AbstractListEditorState<BacklogsState, BacklogListEditorState> {}
class BacklogsState extends MutableEntityState<BacklogsState> {}
abstract class AbstractListEditorState<ES extends ComponentState<ES>,
S extends AbstractListEditorState<ES, S>> extends ComponentState<S> {}
abstract class ComponentState<S extends ComponentState<S>> {}
abstract class EntityState<ES extends EntityState<ES>>
extends ComponentState<ES> {}
abstract class MutableEntityState<S extends MutableEntityState<S>>
extends EntityState<S> implements ComponentState<S> {}