参数化虚拟性

#include<iostream>
using namespace std;

class NotVirtual{
    void foo(){

    }
};

class Virtual{
public:
    virtual void foo(){

    }
};

template<typename VBase>
class Base:private VBase{
public:
    void foo(){
        cout << "Base::foo()"<<endl;
    }
};

template<typename V>
class Derived:public Base<V>{
public:
    void foo(){
        cout << "Derived::foo()"<<endl;
    }
};

int main()
{
    Base<NotVirtual>*p1=new Derived<NotVirtual>;
    p1->foo();
    Base<Virtual>*p2 = new Derived<Virtual>;
    p2->foo();
}

Base::foo()
Derived::foo()