C++之——枚举类 enum class var_name{string1,string2,string3}

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#include <iostream>
using namespace std;
int main() {
	enum class Case { case1, case2, case3 };
	Case a = Case::case1;
	a = Case::case2;
	//a = Case::case3;
	if (a == Case::case1) {
		cout << "case1" << endl;
	}
	else if(a == Case::case2) {
		cout << "case2" << endl;
	}
	else if (a == Case::case3) {
		cout << "case3" << endl;
	}
	system("pause");
	return 0;
}