#include <iostream>
using namespace std;
class Unkown
{
public:
void QueryInterface(int a)
{
cout<<"Hello, this your world!" <<endl;
}
};
template <typename T> class Helper
{
public:
T *t;
public:
T *operator -> ()
{
cout<<"your world!" <<endl;
return t;
}
};
int main(int argc, char *argv[])
{
Helper<Unkown> tt;
tt->QueryInterface(10);
return 0;
}
//函数模板
#include <iostream>
using namespace std;
template <typename T>
inline const T &Maximnum(const T &x, const T &y)
{
if (y > x)
{
return y;
}
else
{
return x;
}
}
int main(int argc, char *argv[])
{
cout<<Maximnum<int>(3, 7) <<endl;
cout<<Maximnum(3, 7) <<endl;
cout<<Maximnum<double>(3.0, 7.0) <<endl;
return 0;
}
