Robert Nystrom
9370281400
Change-Id: Ia12f714f41ad9bd9e6c0ddf051a8e05ab2d6282b Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/149392 Commit-Queue: Bob Nystrom <rnystrom@google.com> Auto-Submit: Bob Nystrom <rnystrom@google.com> Reviewed-by: Erik Ernst <eernst@google.com>
19 lines
331 B
Dart
19 lines
331 B
Dart
import 'dart:collection';
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import 'package:expect/expect.dart';
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class MyList extends ListBase {
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int get length => 4;
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set length(int x) {}
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int operator [](int x) => 42;
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void operator []=(int x, val) {}
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}
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main() {
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var x = new MyList();
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int z = 0;
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x.forEach((y) {
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z += y as int;
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});
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Expect.equals(z, 4 * 42);
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}
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