mirror of
https://github.com/dart-lang/sdk
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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>
29 lines
667 B
Dart
29 lines
667 B
Dart
// Copyright (c) 2013, 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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main() {
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var parent = new Element(null);
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var child = new Element(parent);
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var result = child.path0.length;
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if (result != 2) {
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throw "Expected 2, but child.path0.length was $result";
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}
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}
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class Element {
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final Element? parent;
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Element(this.parent);
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List<Element> get path0 {
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if (parent == null) {
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return <Element>[this];
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} else {
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var list = parent!.path0;
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list.add(this);
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return list;
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}
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}
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}
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