// This file was procedurally generated from the following sources: // - src/dstr-binding/ary-ptrn-elision.case // - src/dstr-binding/default/const-stmt.template /*--- description: Elision advances iterator (`const` statement) esid: sec-let-and-const-declarations-runtime-semantics-evaluation features: [generators, destructuring-binding] flags: [generated] info: | LexicalBinding : BindingPattern Initializer 1. Let rhs be the result of evaluating Initializer. 2. Let value be GetValue(rhs). 3. ReturnIfAbrupt(value). 4. Let env be the running execution context's LexicalEnvironment. 5. Return the result of performing BindingInitialization for BindingPattern using value and env as the arguments. 13.3.3.6 Runtime Semantics: IteratorBindingInitialization ArrayBindingPattern : [ Elision ] 1. Return the result of performing IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord as the argument. 12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation Elision : , 1. If iteratorRecord.[[done]] is false, then a. Let next be IteratorStep(iteratorRecord.[[iterator]]). b. If next is an abrupt completion, set iteratorRecord.[[done]] to true. c. ReturnIfAbrupt(next). d. If next is false, set iteratorRecord.[[done]] to true. 2. Return NormalCompletion(empty). ---*/ var first = 0; var second = 0; function* g() { first += 1; yield; second += 1; }; const [,] = g(); assert.sameValue(first, 1); assert.sameValue(second, 0); reportCompare(0, 0);