Johnni Winther
924cf941e9
Closes #51029 Change-Id: I7ee15c5e9cde19a323b4a2778c673017cac3795f Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/279714 Commit-Queue: Johnni Winther <johnniwinther@google.com> Reviewed-by: Chloe Stefantsova <cstefantsova@google.com>
39 lines
814 B
Dart
39 lines
814 B
Dart
// Copyright (c) 2023, 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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class Square {
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final void Function(String s)? logFunction;
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final double length;
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const Square(this.length, [this.logFunction = null]);
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void _log(String toLog) {
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void Function(String s)? _l = logFunction;
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if (_l != null) {
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_l(toLog);
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}
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}
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double get area {
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_log("Square.area");
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return length * length;
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}
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}
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String log = "";
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void logger(String s) {
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log += s;
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}
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main() {
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var Square(area: _) = Square(2, logger);
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expect("Square.area", log);
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}
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expect(expected, actual) {
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if (expected != actual) {
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throw 'Expected $expected, actual $actual';
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}
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} |