template factorial

#include <iostream>


template <int n>
struct Factorial {
    static int Value() {
        return Factorial<n - 1>::Value() * n;
    }
};

template<>
struct Factorial<1> {
    static int Value() {
        return 1;
    }
};

int main() {
    std::cout << Factorial<3>::Value() << std::endl;
}