// This file was procedurally generated from the following sources: // - src/dstr-binding/ary-ptrn-rest-obj-prop-id.case // - src/dstr-binding/default/for-of-const.template /*--- description: Rest element containing an object binding pattern (for-of statement) esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation features: [destructuring-binding] flags: [generated] info: | IterationStatement : for ( ForDeclaration of AssignmentExpression ) Statement [...] 3. Return ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult, lexicalBinding, labelSet). 13.7.5.13 Runtime Semantics: ForIn/OfBodyEvaluation [...] 3. Let destructuring be IsDestructuring of lhs. [...] 5. Repeat [...] h. If destructuring is false, then [...] i. Else i. If lhsKind is assignment, then [...] ii. Else if lhsKind is varBinding, then [...] iii. Else, 1. Assert: lhsKind is lexicalBinding. 2. Assert: lhs is a ForDeclaration. 3. Let status be the result of performing BindingInitialization for lhs passing nextValue and iterationEnv as arguments. [...] 13.3.3.6 Runtime Semantics: IteratorBindingInitialization BindingRestElement : ... BindingPattern 1. Let A be ArrayCreate(0). [...] 3. Repeat [...] b. If iteratorRecord.[[done]] is true, then i. Return the result of performing BindingInitialization of BindingPattern with A and environment as the arguments. [...] ---*/ let length = "outer"; var iterCount = 0; for (const [...{ 0: v, 1: w, 2: x, 3: y, length: z }] of [[7, 8, 9]]) { assert.sameValue(v, 7); assert.sameValue(w, 8); assert.sameValue(x, 9); assert.sameValue(y, undefined); assert.sameValue(z, 3); assert.sameValue(length, "outer", "the length prop is not set as a binding name"); iterCount += 1; } assert.sameValue(iterCount, 1, 'iteration occurred as expected'); reportCompare(0, 0);