learning Templates.. having problems..

this code is giving me an error. im still trying to figure it out and getting frustrated..
seems like a simple problem. here i is.

Code:

---

#include <iostream>
using namespace std;


template <class T>
class SAList
{
        //friend Node<void>;
        public:

                void f(int number){ cout << "number is: " << number << " !" << endl;}
};


int main()
{
        SAList<void> Obj();
        Obj.f(5);
        return 0;
}

---

Code:

---

error C2228: left of '.f' must have class/struct/union

---

does removing the () after Obj, and removing the void help? Don't know if it will forsure but it's worth a shot.

Yeah, remove the (), the are not needed. I don't know what they mean and it doesn't give you an error, but they are only used when you have a constructor and you put a value. Void is fine.

So this would be ok

Code:

---

#include <iostream>
using namespace std;


template <class T>
class SAList
{
        //friend Node<void>;
        public:
                SAList(int i) {;};  //constructor that does nothing
                void f(int number){ cout << "number is: " << number << " !" << endl;}
};


int main()
{
        SAList<void> Obj(1);
        Obj.f(5);
        return 0;
}

---

So what does declaring SAList<void> Obj() means and it doesn't give an error??

thanks guys, that helps..
It was a dumb mistake!
guess i didn't get a good nights sleep :)

With the parentheses, the variable declaration became a function declaration. And a function can't have members, which is why the compiler complained that the expression "left of .f" didn't have the proper type.

Nothing to do with templates. This would have happened if SAList was a simple type, too.