Type alias ToTuple<R, S, X>

ToTuple<R, S, X>: S["length"] extends 0
    ? R
    : S["length"] extends 1
        ? [...R, ...DigitToTuple<X>[S[0]]]
        : S extends [any, ...(infer T)]
            ? T extends any[]
                ? ToTuple<Multi10<[...R, ...DigitToTuple<X>[S[0]]]>, T>
                : never
            : never