/* 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 <typeinfo>#include <iostream>template <typename T>void ref (T const& x){    std::cout << "x in ref(T const&): "                << typeid(x).name() << '\n';}template <typename T>void nonref (T x){    std::cout << "x in nonref(T):     "              << typeid(x).name() << '\n';}int main(){    ref("hello");    nonref("hello");}