C++模板特化

template<typename T=char>
class  Base
{
public:
    void print()
    {
        cout<<"hello"<<endl;
    }
};

template<>
class Base<char>
{
public:
    void print()
    {
         cout<<"world"<<endl;
    }
};

int main()
{
    Base<int> tmp;
    tmp.print();
    Base<> tmp1;
    tmp1.print();
    Base<char> tmp2;
    tmp2.print();
    return 0;
}