/* The following code example is taken from the book * "C++ Templates - The Complete Guide" * by David Vandevoorde and Nicolai M. Josuttis, Addison-Wesley, 2002 * * (C) Copyright David Vandevoorde and Nicolai M. Josuttis 2002. * Permission to copy, use, modify, sell and distribute this software * is granted provided this copyright notice appears in all copies. * This software is provided "as is" without express or implied * warranty, and with no claim as to its suitability for any purpose. */#include <string>#include <iostream>template<typename T> std::string f(T) {     return "Template"; }std::string f(int&) {     return "Nontemplate"; }int main() {    int x = 7;    std::cout << f(x) << std::endl;}