/* 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 <deque>#include <cstdlib>#include "stack3.hpp"int main(){    try {        // stack of ints:        Stack<int> intStack;        // stack of doubles which uses a std::deque<> to mange the elements        Stack<double,std::deque<double> > dblStack;        // manipulate int stack        intStack.push(7);        std::cout << intStack.top() << std::endl;        intStack.pop();        // manipulate double stack        dblStack.push(42.42);        std::cout << dblStack.top() << std::endl;         dblStack.pop();        dblStack.pop();    }    catch (std::exception const& ex) {        std::cerr << "Exception: " << ex.what() << std::endl;        return EXIT_FAILURE;  // exit program with ERROR status    }}