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31 lines
868 B
JavaScript
31 lines
868 B
JavaScript
// Copyright (C) 2023 Ron Buckton. 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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esid: sec-let-and-const-declarations-static-semantics-early-errors
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description: >
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await using declarations mixed: with, without initializer
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info: |
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Static Semantics : Early Errors
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LexicalBinding : BindingIdentifier Initializer?
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- It is a Syntax Error if Initializer is not present and IsConstantDeclaration of the LexicalDeclaration containing
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this LexicalBinding is true.
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Static Semantics : IsConstantDeclaration
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AwaitUsingDeclaration :
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CoverAwaitExpressionAndAwaitUsingDeclarationHead BindingList ;
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1. Return true.
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negative:
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phase: parse
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type: SyntaxError
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features: [explicit-resource-management]
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---*/
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$DONOTEVALUATE();
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async function f() {
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await using x = null, y;
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}
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