cpp19.cpp

C++参考书

// Coded by plusir -- Dec.27.2002.
// Standard C++ Bible -- (P139-5-19)

#include <iostream>
using namespace std ;

enum Colors { RED = 1, GREEN, BLUE } ;

int main()
{
	Colors col ;

	cout << "1 = Red, 2 = Green, 3 = Bule. Select: " ;
	int cl ;
	cin >> cl ;

	col = static_cast<Colors>( cl ) ;

	switch ( col ) {
		case RED:
			cout << "Red" << endl ;
			break ;
		case GREEN:
			cout << "Green" << endl ;
			break ;
		case BLUE:
			cout << "Blue" << endl ;
			break ;
		default:
			cout << "\aError!" << endl ;
			break ;
	}

	return 0 ;
}