/* 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 <iostream>#include <string>#include "max.hpp"int main(){    int i = 42;    std::cout << "max(7,i):   " << ::max(7,i) << std::endl;    double f1 = 3.4;    double f2 = -6.7;    std::cout << "max(f1,f2): " << ::max(f1,f2) << std::endl;    std::string s1 = "mathematics";    std::string s2 = "math";    std::cout << "max(s1,s2): " << ::max(s1,s2) << std::endl;}