Trace Lvalue and Rvalue Function Overloads

1#include <iostream>
2 
3template <typename T>
4void identify(T& value) {
5    std::cout << "Lvalue: " << value << "\n";
6}
7 
8template <typename T>
9void identify(T&& value) {
10    std::cout << "Rvalue: " << value << "\n";
11}
12 
13int main() {
14    int x = 5;
15    identify(x);
16    identify(10);
17    identify(x + 3);
18    identify(x += 2);
19    identify(++x);
20    identify(x++);
21    std::cout << "x = " << x << "\n";
22    return 0;
23}