mirror of https://github.com/tc39/test262.git
62 lines
1.9 KiB
JavaScript
62 lines
1.9 KiB
JavaScript
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// This file was procedurally generated from the following sources:
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// - src/dstr-binding/ary-ptrn-rest-obj-id.case
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// - src/dstr-binding/default/for-const.template
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/*---
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description: Rest element containing an object binding pattern (for statement)
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esid: sec-for-statement-runtime-semantics-labelledevaluation
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es6id: 13.7.4.7
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features: [destructuring-binding]
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flags: [generated]
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info: |
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IterationStatement :
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for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
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[...]
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7. Let forDcl be the result of evaluating LexicalDeclaration.
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[...]
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LexicalDeclaration : LetOrConst BindingList ;
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1. Let next be the result of evaluating BindingList.
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2. ReturnIfAbrupt(next).
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3. Return NormalCompletion(empty).
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BindingList : BindingList , LexicalBinding
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1. Let next be the result of evaluating BindingList.
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2. ReturnIfAbrupt(next).
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3. Return the result of evaluating LexicalBinding.
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LexicalBinding : BindingPattern Initializer
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1. Let rhs be the result of evaluating Initializer.
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2. Let value be GetValue(rhs).
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3. ReturnIfAbrupt(value).
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4. Let env be the running execution context’s LexicalEnvironment.
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5. Return the result of performing BindingInitialization for BindingPattern
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using value and env as the arguments.
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13.3.3.6 Runtime Semantics: IteratorBindingInitialization
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BindingRestElement : ... BindingPattern
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1. Let A be ArrayCreate(0).
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[...]
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3. Repeat
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[...]
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b. If iteratorRecord.[[done]] is true, then
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i. Return the result of performing BindingInitialization of
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BindingPattern with A and environment as the arguments.
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[...]
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---*/
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var iterCount = 0;
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for (const [...{ length }] = [1, 2, 3]; iterCount < 1; ) {
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assert.sameValue(length, 3);
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iterCount += 1;
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}
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assert.sameValue(iterCount, 1, 'Iteration occurred as expected');
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