// This file was procedurally generated from the following sources: // - src/function-forms/rest-params-trailing-comma-early-error.case // - src/function-forms/syntax/async-arrow-function.template /*--- description: It's a syntax error if a FunctionRestParameter is followed by a trailing comma (async arrow function expression) esid: sec-async-arrow-function-definitions flags: [generated] negative: phase: parse type: SyntaxError info: | 14.7 Async Arrow Function Definitions AsyncArrowFunction : ... CoverCallExpressionAndAsyncArrowHead => AsyncConciseBody AsyncConciseBody : { AsyncFunctionBody } ... Supplemental Syntax When processing an instance of the production AsyncArrowFunction : CoverCallExpressionAndAsyncArrowHead => AsyncConciseBody the interpretation of CoverCallExpressionAndAsyncArrowHead is refined using the following grammar: AsyncArrowHead : async ArrowFormalParameters 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] ---*/ $DONOTEVALUATE(); (async (...a,) => { });