static.cc

来自「资深C++讲师授课代码」· CC 代码 · 共 17 行

#include <iostream>
using namespace std;

int counter()
{
	static int cnt=0;
	return ++cnt;
}
int main()
{
	cout << counter() << endl;
	cout << counter() << endl;
	cout << counter() << endl;
	//cout << cnt << endl;//ERROR!!
}