impl<T, const N: usize> [T; N] {
    pub fn try_map<F, R>(
        self,
        f: F
    ) -> <<R as Try>::Residual as Residual<[<R as Try>::Output; N]>>::TryType
    where
        F: FnMut(T) -> R,
        R: Try,
        <R as Try>::Residual: Residual<[<R as Try>::Output; N]>;
}