一个结构继承类的例子

class T
{
public:
 void Show(){printf("test in class/n");}
 void output();
};

struct TEST:public T
{
 TEST(){printf("test in struct/n");}
 operator T() {return *(T*)this;}
};

void T::output()
{
 TEST();
}

void main()
{
 T a;
 a.Show();
 a.output();

}