引用专题

1 int main()
2 {
3         int a = 0;
4         int &b = a;　　//C语言不能这样用
5         int * const p_b = &a;
6         b = 11;
7         cout << a << endl;
8         cout << *p_b << endl;
9 }

struct T_Test{
    int &a;    //c语言不支持这种用法
    int &b;
};

int main()
{
    cout << sizeof(struct T_Test) << endl; // 8

    return 0;
}