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28 lines
754 B
Plaintext
28 lines
754 B
Plaintext
// Copyright (C) 2017 the V8 project authors. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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template: default
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desc: Object binding pattern with "nested" array binding pattern not using initializer
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info: |
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13.3.3.7 Runtime Semantics: KeyedBindingInitialization
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[...]
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3. If Initializer is present and v is undefined, then
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[...]
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4. Return the result of performing BindingInitialization for BindingPattern
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passing v and environment as arguments.
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---*/
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//- elems
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{ w: [x, y, z] = [4, 5, 6] }
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//- vals
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{ w: [7, undefined, ] }
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//- body
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assert.sameValue(x, 7);
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assert.sameValue(y, undefined);
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assert.sameValue(z, undefined);
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assert.throws(ReferenceError, function() {
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w;
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});
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