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40 lines
1.2 KiB
JavaScript
40 lines
1.2 KiB
JavaScript
// This file was procedurally generated from the following sources:
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// - src/dstr-binding/ary-ptrn-rest-not-final-id.case
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// - src/dstr-binding/default/async-gen-func-named-expr.template
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/*---
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description: Rest element (identifier) may not be followed by any element (async generator named function expression)
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esid: sec-asyncgenerator-definitions-evaluation
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features: [async-iteration]
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flags: [generated, async]
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negative:
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phase: early
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type: SyntaxError
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info: |
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AsyncGeneratorExpression : async [no LineTerminator here] function * BindingIdentifier
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( FormalParameters ) { AsyncGeneratorBody }
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[...]
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7. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
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AsyncGeneratorBody, funcEnv, strict).
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[...]
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13.3.3 Destructuring Binding Patterns
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ArrayBindingPattern[Yield] :
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[ Elisionopt BindingRestElement[?Yield]opt ]
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[ BindingElementList[?Yield] ]
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[ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
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---*/
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var callCount = 0;
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var f;
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f = async function* h([...x, y]) {
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callCount = callCount + 1;
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};
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f([1, 2, 3]).next().then(() => {
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assert.sameValue(callCount, 1, 'invoked exactly once');
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}).then($DONE, $DONE);
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