| // This file was procedurally generated from the following sources: |
| // - src/dstr-binding/ary-ptrn-elision-iter-close.case |
| // - src/dstr-binding/iter-close/for-of-const.template |
| /*--- |
| description: The iterator is properly consumed by the destructuring pattern (for-of statement) |
| esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation |
| es6id: 13.7.5.11 |
| features: [generators, 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. |
| [...] |
| ---*/ |
| const iter = (function* () { |
| yield; |
| yield; |
| })(); |
| |
| |
| function fn() { |
| for (const [,] of [iter]) { |
| return; |
| } |
| } |
| |
| fn(); |
| |
| assert.sameValue(iter.next().done, true, 'iteration occurred as expected'); |