// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-iteration-statements
es6id: 13.7
description: >
The token sequence `let [`is interpreted as the beginning of a destructuring
binding pattern
info: |
Syntax
IterationStatement[Yield, Return]:
for ( [lookahead ∉ { let [ } ] Expression[~In, ?Yield]opt ;
Expression[+In, ?Yield]opt ; Expression[+In, ?Yield]opt )
Statement[?Yield, ?Return]
for ( LexicalDeclaration[~In, ?Yield] Expression[+In, ?Yield]opt ;
Expression[+In, ?Yield]opt) Statement[?Yield, ?Return]
---*/
var value;
for ( let[x] = [23]; ; ) {
value = x;
break;
}
assert.sameValue(typeof x, 'undefined', 'binding is block-scoped');
assert.sameValue(value, 23);