class A {};
class B {};

class AA : public A {};
class BA : public A {};

class AB : public B {};
class BB : public B {};


template<typename T>
void MyTemplate(T* ptr)
{
	// T is expected to be type A
	// Do stuff to type A
}

template<typename T>
void MyTemplate(T* ptr)
{
	// T is expected to be type B
	// Do stuff to type B
}


AA aa;
AB ab;
BA ba;
BB bb;

MyTemplate(&aa); // These two should call into the 1st MyTemplate
MyTemplate(&ab); // These two should call into the 1st MyTemplate
MyTemplate(&ba); // These two should call into the 2nd MyTemplate
MyTemplate(&bb); // These two should call into the 2nd MyTemplate