cpp~7-6:作用域分隔符的使用

//多继承同名隐藏
#include <iostream>

using namespace std;

class Base1
{
public:
    int var;
    void fun()
    {
        cout<<"Member of Base1"<<endl;
    }
};

class Base2
{
public:
    int var;
    void fun()
    {
        cout<<"Member of Base2"<<endl;
    }
};

class Derived:public Base1,public Base2
{
public:
   /* int var;
    void fun()
    {
        cout<<"Member of Derived"<<endl;
    }
    */
    using Base1::var;
    using Base1::fun;
};

int main()
{
    Derived d;
    Derived * p=&d;
    d.var=1;
    d.fun();
    {
        d.Base1::var=2;
        d.Base1::fun();

        p->Base2::var=3;
        p->Base2::fun();
    }
    return 0;
}