// Copyright (C) 2023 Ron Buckton. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- esid: sec-let-and-const-declarations-static-semantics-early-errors description: > using declarations mixed: without, with initializer info: | Static Semantics : Early Errors LexicalBinding : BindingIdentifier Initializer? - It is a Syntax Error if Initializer is not present and IsConstantDeclaration of the LexicalDeclaration containing this LexicalBinding is true. Static Semantics : IsConstantDeclaration UsingDeclaration : `using` BindingList ; 1. Return true. negative: phase: parse type: SyntaxError features: [explicit-resource-management] ---*/ $DONOTEVALUATE(); { using x, y = null; }