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23 lines
549 B
23 lines
549 B
// Copyright 2016 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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function iterable(done) {
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return {
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[Symbol.iterator]: function() {
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return {
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next: function() {
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if (done) return { done: true };
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done = true;
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return { value: 42, done: false };
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}
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}
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}
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}
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}
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var [...result] = iterable(true);
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assertEquals([], result);
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var [...result] = iterable(false);
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assertEquals([42], result);
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