#include <list>
#include <string>
#include <iostream>

using namespace std;

/* prints "this is a very simple and poorly used task queue" */
class Functor
{
public:
    string output;
    Functor(const std::string& out): output(out)
    {}
    void operator()() const
    {
        cout << output << " ";
    }
};

int main(int argc, char **argv)
{
    list<Functor> taskQueue;
    taskQueue.push_back(Functor("this"));
    taskQueue.push_back(Functor("is a"));
    taskQueue.push_back(Functor("very simple"));
    taskQueue.push_back(Functor("and poorly used"));
    taskQueue.push_back(Functor("task queue"));
    for(list<Functor>::iterator it = taskQueue.begin();it != taskQueue.end(); ++it)
    {
        (*it)();
    }
    return 0;
}