Template and function pointer

[skadush]

I was reading a book about game development. I saw this line of code. I tried to copy and and understand whats going on here is the code

class A
{
public:
	template<class T>
	void Hello(void(T::*func)())
	{
		func(); // Not working. Error term does not evaluate to function taking 0 argument
	}
};

class B
{
public:
	 void funcA()
	{
		std::cout << "Hello world" << std::endl;
	}


};

void main()
{
	A a;
	a.Hello(&B::funcA);
	

}

What sort of template is this? a template class declared on a function but not declared on the class? Im confuse. Also why cant I call the func() on the Hello()? I can do that on regular function pointer why not in here? Thanks

[skadush]

Got it working using

T t;
(t.*func)()

Is there a way to use the -> operator to this? this is just hard to read