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d4154ac6dc
Change-Id: Iad2963c7f9c184b089dc6d15aa4442f58d194bc2 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/151983 Reviewed-by: Nicholas Shahan <nshahan@google.com> Commit-Queue: Bob Nystrom <rnystrom@google.com> Auto-Submit: Bob Nystrom <rnystrom@google.com>
38 lines
867 B
Dart
38 lines
867 B
Dart
// Copyright (c) 2012, 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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import "package:expect/expect.dart";
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foo(state0) {
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if (state0 == null) return 0;
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var sum = 0;
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for (int i = 0; i < state0.length; i++) {
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sum += state0[i] as int;
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}
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state0 = inscrutableId(state0);
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for (int i = 0; i < state0.length; i++) {
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sum += state0[i] as int;
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}
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return sum;
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}
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int inscrutable(int x) => x == 0 ? 0 : x | inscrutable(x & (x - 1));
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inscrutableId(x) {
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if (x == 0) return inscrutable(x);
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return (3 == inscrutable(3)) ? x : false;
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}
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class A {
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int length = 3;
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operator [](i) => 1;
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}
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main() {
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Expect.equals(12, foo([1, 2, 3]));
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if (inscrutableId(0) == 0) {
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Expect.equals(6, foo(new A()));
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}
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}
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