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// |reftest| error:SyntaxError
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-rest-not-final-ary.case
// - src/dstr-binding/default/async-gen-func-decl.template
/*---
description: Rest element (array binding pattern) may not be followed by any element (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 ]
---*/
$DONOTEVALUATE();
var callCount = 0;
async function* f([...[x], y]) {
callCount = callCount + 1;
};
f([1, 2, 3]).next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);
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