#include <iostream>
#include <cstdlib>
using namespace std;

// unscoped enumeration
// zero = 0, un = 1, ...
enum { zero, un, deux, trois };

// unscoped enumeration
// mardi = 2, ....
enum Jour { lundi=1, mardi, mercredi, jeudi, vendredi, samedi, dimanche };

// Scoped enumeration
enum class Mois { Janvier = 1, Fevrier, Mars, Avril, Mai, 
	Juin, Juillet, Aout, 
	Septembre, Octobre, Novembre, Decembre };


int main() {

	// un_jour = 2, no scope
	Jour un_jour = mardi; 
	// can convert easily to integer if unscoped
	int m = un_jour;
	
	// !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 
	// because unscoped enum 'mardi' does not reference
	// the constant of Jour
	int mardi = -123; 
	// you have to write this:
	mardi = Jour::mardi; 
	

	cout << "un_jour = " << un_jour << endl;
	cout << "mardi = " << mardi << endl;

	// !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
	// still possible to write this !
	int Janvier = -56;
	
	// need to cast a scoped constant
	cout << "Fevrier = " << static_cast<int>(Mois::Fevrier) << endl;
	
	return EXIT_SUCCESS;
}