base, proxy

jusplay.cpp

#include <cstdio>

class Base
{
public:
    int Print()
    {
        return printf("Base\n");
    }
};

template<int N1>
class Proxy : public Base
{
public:

};

template<>
class Proxy<0>:public Base
{
public:
    void Print()
    {
        printf("void Print() :");
        Base::Print();
    }
};

template<>
class Proxy<1>:public Base
{
public:
    int Print()
    {
        printf("int Print() :");
        return Base::Print();
    }
};

int main()
{
    Base base;
    Proxy<0> p0;
    Proxy<1> p1;
    Proxy<2> p2;

    p0.Print();
    p1.Print();
    p2.Print();

    base.Print();
}