#include <iostream>
#include <cstdlib>    //for srand, rand, exit, EXIT_SUCCESS
#include <ctime>      //for time
#include "action.h"
using namespace std;

int main()
{
	const action menu[] = {   //array of objects
		"cut",
		"copy",
		"paste"
	};
	const size_t menu_size = sizeof menu / sizeof menu[0];

	//array of pointers to the member functions of the above objects
	void (action::*const key[])() const = {
		&action::plain,
		&action::shifted,
		&action::controlled
	};
	const size_t key_size = sizeof key / sizeof key[0];

	srand(static_cast<unsigned>(time(0)));

	for (int i = 0; i < 3; ++i) {
		const size_t m = rand() % menu_size; //which object of class action
		const size_t k = rand() % key_size;  //which member function of class action
		(menu[m].*key[k])();                 //Call member function k of object m.
	}

	return EXIT_SUCCESS;
}