The following code example is taken from the book
The C++ Standard Library - A Tutorial and Reference, 2nd Edition
by Nicolai M. Josuttis, Addison Wesley Longman, 2012
Copyright © 2012 by Pearson Education, Inc. and Nicolai M. Josuttis
#include <iostream>
#include <string>
#include <exception>
#include "Queue.hpp" // use special queue class
using namespace std;
int main()
{
try {
Queue<string> q;
// insert three elements into the queue
q.push("These ");
q.push("are ");
q.push("more than ");
// pop two elements from the queue and print their value
cout << q.pop();
cout << q.pop();
// push two new elements
q.push("four ");
q.push("words!");
// skip one element
q.pop();
// pop two elements from the queue and print their value
cout << q.pop();
cout << q.pop() << endl;
// print number of remaining elements
cout << "number of elements in the queue: " << q.size()
<< endl;
// read and print one element
cout << q.pop() << endl;
}
catch (const exception& e) {
cerr << "EXCEPTION: " << e.what() << endl;
}
}