main.cpp

易学c++源码

#include "iostream.h"
enum color{red,yellow,blue};
void display(color a);
void main()
{
	color a=blue;
	display(a);
}
void display(color a)
{
	switch (a)
	{
	case red:
		cout <<"red" <<endl;
		break;
	case yellow:
		cout <<"yellow" <<endl;
		break;
	case blue:
		cout <<"blue" <<endl;
		break;
	}
}