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67539c2faf
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>
34 lines
1.1 KiB
Dart
34 lines
1.1 KiB
Dart
// Copyright (c) 2018, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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// This test case is a reduction of some Flutter code, modified to use the new
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// mixin syntax. We wish to verify that the class _DismissibleState doesn't
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// have any type inference errors.
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class _DismissibleState extends State<Dismissible>
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with TickerProviderStateMixin, AutomaticKeepAliveClientMixin {}
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abstract class State<T extends StatefulWidget> extends Diagnosticable {}
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abstract class StatefulWidget extends Widget {}
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abstract class Widget extends DiagnosticableTree {}
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abstract class DiagnosticableTree extends Diagnosticable {}
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abstract class Diagnosticable {}
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class Dismissible extends StatefulWidget {}
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mixin TickerProviderStateMixin<T extends StatefulWidget> on State<T>
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implements TickerProvider {}
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abstract class TickerProvider {}
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mixin AutomaticKeepAliveClientMixin<T extends StatefulWidget> on State<T> {}
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main() {
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new _DismissibleState();
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}
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