Choosing the Type Yourself

1#include <iostream>
2 
3template <typename T>
4T larger(T a, T b) {
5    if (a > b) {
6        return a;
7    }
8    return b;
9}
10 
11int main() {
12    std::cout << larger<double>(3, 4.5) << "\n";
13    return 0;
14}