| // Copyright 2014 The Flutter Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // @dart = 2.12 |
| |
| // This is a dummy dart:ui package for the sample code analyzer tests to use. |
| |
| library dart.ui; |
| |
| /// Annotation used by Flutter's Dart compiler to indicate that an |
| /// [Object.toString] override should not be replaced with a supercall. |
| /// |
| /// {@tool sample --template=stateless_widget_material} |
| /// A sample if using keepToString to prevent replacement by a supercall. |
| /// |
| /// ```dart |
| /// class MyStringBuffer { |
| /// error; |
| /// |
| /// StringBuffer _buffer = StringBuffer(); |
| /// |
| /// @keepToString |
| /// @override |
| /// String toString() { |
| /// return _buffer.toString(); |
| /// } |
| /// } |
| /// ``` |
| /// {@end-tool} |
| const Object keepToString = _KeepToString(); |
| |
| class _KeepToString { |
| const _KeepToString(); |
| } |
