Finding Super class from Derived Class at compile time

[LeqxLeqx via Digitalmars-d-learn]

Hello!

I have a question regarding attempting to access the super class 
of a derived class at compile time.

Specifically, if I have:

    class A { }
    class B : A { }

    void func(T)()
    {
      /+ find super-class of T +/
    }

    int main ()
    {
      func!B; /+ func would find A +/
      return 0;
    }

in `func(T)()' how would I (if it is possible) check what class T 
derives from? So `func!B' would be able to find `A'? I've looked 
through the __traits options but none of them seem to be able to 
do what I need. Unfortunately (for me anyways), __traits(parent, 
...) returns the module, not the super class.

Is this at all possible (at compile time)?

Thank you