test/language/statements/async-function/rest-params-trailing-comma-early-error.js


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// This file was procedurally generated from the following sources:
// - src/function-forms/rest-params-trailing-comma-early-error.case
// - src/function-forms/syntax/async-func-decl.template
/*---
description: It's a syntax error if a FunctionRestParameter is followed by a trailing comma (async function declaration)
esid: sec-async-function-definitions
flags: [generated]
negative:
  phase: parse
  type: SyntaxError
info: |
    14.6 Async Function Definitions

    AsyncFunctionDeclaration :
      async function BindingIdentifier ( FormalParameters ) { AsyncFunctionBody }

    Trailing comma in the parameters list

    14.1 Function Definitions

    FormalParameters[Yield, Await] :
        [empty]
        FunctionRestParameter[?Yield, ?Await]
        FormalParameterList[?Yield, ?Await]
        FormalParameterList[?Yield, ?Await] ,
        FormalParameterList[?Yield, ?Await] , FunctionRestParameter[?Yield, ?Await]
---*/
throw "Test262: This statement should not be evaluated.";


async function f(...a,) {
  
}