| // This file was procedurally generated from the following sources: |
| // - src/dstr-assignment/obj-rest-str-val.case |
| // - src/dstr-assignment/default/for-of.template |
| /*--- |
| description: RestBindingInitialization creats an object with indexes as property name (For..of statement) |
| esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation |
| es6id: 13.7.5.11 |
| features: [object-rest, destructuring-binding] |
| flags: [generated] |
| info: | |
| IterationStatement : |
| for ( LeftHandSideExpression of AssignmentExpression ) Statement |
| |
| 1. Let keyResult be the result of performing ? ForIn/OfHeadEvaluation(« », |
| AssignmentExpression, iterate). |
| 2. Return ? ForIn/OfBodyEvaluation(LeftHandSideExpression, Statement, |
| keyResult, assignment, labelSet). |
| |
| 13.7.5.13 Runtime Semantics: ForIn/OfBodyEvaluation |
| |
| [...] |
| 4. If destructuring is true and if lhsKind is assignment, then |
| a. Assert: lhs is a LeftHandSideExpression. |
| b. Let assignmentPattern be the parse of the source text corresponding to |
| lhs using AssignmentPattern as the goal symbol. |
| [...] |
| ---*/ |
| var rest; |
| |
| |
| var counter = 0; |
| |
| for ({...rest} of ["foo"]) { |
| assert.sameValue(rest["0"], "f"); |
| assert.sameValue(rest["1"], "o"); |
| assert.sameValue(rest["2"], "o"); |
| assert(rest instanceof Object); |
| |
| counter += 1; |
| } |
| |
| assert.sameValue(counter, 1); |