different behaviour between function and arrow function while define never return type

[CaptainJon]

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Comment

function neverFunc() {
throw new Error("neverFunc");
}

const neverFunc2 = () => {
throw new Error("neverFunc2")
};

so why neverFun has return type of "void" while neverFunc2 has a default never return type? since they have the same function body?