| // This file was procedurally generated from the following sources: |
| // - src/dstr-binding/ary-ptrn-rest-init-obj.case |
| // - src/dstr-binding/default/async-gen-func-decl.template |
| /*--- |
| description: Rest element (nested object pattern) does not support initializer (async generator function declaration) |
| esid: sec-asyncgenerator-definitions-instantiatefunctionobject |
| features: [async-iteration] |
| flags: [generated] |
| negative: |
| phase: parse |
| type: SyntaxError |
| info: | |
| AsyncGeneratorDeclaration : async [no LineTerminator here] function * BindingIdentifier |
| ( FormalParameters ) { AsyncGeneratorBody } |
| |
| [...] |
| 3. Let F be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters, AsyncGeneratorBody, |
| scope, strict). |
| [...] |
| |
| |
| 13.3.3 Destructuring Binding Patterns |
| ArrayBindingPattern[Yield] : |
| [ Elisionopt BindingRestElement[?Yield]opt ] |
| [ BindingElementList[?Yield] ] |
| [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ] |
| ---*/ |
| $DONOTEVALUATE(); |
| |
| |
| var callCount = 0; |
| async function* f([...{ x } = []]) { |
| |
| callCount = callCount + 1; |
| }; |
| f([]).next().then(() => { |
| assert.sameValue(callCount, 1, 'invoked exactly once'); |
| }).then($DONE, $DONE); |