The following code example is taken from the book
C++ Templates - The Complete Guide, 2nd Edition
by David Vandevoorde, Nicolai M. Josuttis, and Douglas Gregor,
Addison-Wesley, 2017
© Copyright David Vandevoorde, Nicolai M. Josuttis, Douglas Gregor 2017
#include "stack3.hpp"
#include <iostream>
#include <deque>
int main()
{
// stack of ints:
Stack<int> intStack;
// stack of doubles using a std::deque<> to manage the elements
Stack<double,std::deque<double>> dblStack;
// manipulate int stack
intStack.push(7);
std::cout << intStack.top() << '\n';
intStack.pop();
// manipulate double stack
dblStack.push(42.42);
std::cout << dblStack.top() << '\n';
dblStack.pop();
}