c++14 auto type deduction

c14auto

#include <iostream>
 
auto second_f(auto a, auto b) {
    return b;
}

int main() {
    auto second_l = [](auto a, auto b) {return b;};
    std::cout << second_f(0u, -1) << std::endl;
    std::cout << second_l(0u, -1) << std::endl;
    //std::cout << second_f("str", -1) << std::endl; // would not compile
}