PV024templateAdvanced

#include <iostream>

//template <typename T>
//T max(T a, T b)
//{
//  return a > b ? a : b;
//}

template <typename T1, typename T2>
auto max(T1 a, T2 b)->decltype(a > b ? a : b)
{
    return a > b ? a : b;
}

//int max(int, int); //std::cout << max(3, 4) << '\n';
//double max(double, double); //std::cout << max(3.5, 4.5) << '\n';
//double max(int, double); //std::cout << max(3, 3.5) << '\n';
//double max(double, int); //std::cout << max(3.5, 3) << '\n';


//int max(double a, int b)
//{
//  return a > b ? a : b;
//}
//int max(int a, int b)
//{
//  return a > b ? a : b;
//}
//
//double max(double a, double b)
//{
//  return a > b ? a : b;
//}


int main()
{
    std::cout << max(3, 4) << '\n';
    std::cout << max(3.5, 4.5) << '\n';
    std::cout << max(3, 3.5) << '\n';
    std::cout << max(3.5, 3) << '\n';
}