Function apply

apply<TFunc extends Func<any[], any>>(
    fn: TFunc,
    ...args: Parameters<TFunc>,
): ReturnType<TFunc> extends Func<any[], R>
    ? (incoming: Parameters<ReturnType<TFunc>>[0]) => R
    : (incoming: any) => any

apply<TFunc extends Func<any[], any>, TArgs extends Partial<Parameters<TFunc>>>(
    fn: TFunc,
    ...args: TArgs,
): (incoming: CurriedFirstArg<TFunc, TArgs>) => CurriedReturn<TFunc, TArgs>