<分区>
最近在学习C++语言。
我一直想知道如何在 local area[2] 访问 local area[1] 的局部变量“a”,看下面的代码。
怎么做?
#include "stdafx.h"
using namespace std;
///// global area /////
int a = 1;
int _tmain(int argc, _TCHAR* argv[])
{
///// local area[1] /////
int a = 2; //<= how to access this "a" at local area[2]?
cout << "global area [a] : " << ::a << endl;
cout << "local area[1] [a] : " << a << endl;
{
///// local area[2] /////
int a = 3;
cout << "global area [a] : " << ::a << endl;
cout << "local area[2] [a] : " << a << endl;
cout << "local area[1] [a] : " << ?????? << endl;
}
return 0;
}