#include <iostream>
#include <typeinfo>

template <typename T>
  struct A {
    A() { std::cout << "A::A<" << typeid(T).name() << ">\n"; }
    static const bool member;
  };


template <typename T> const bool A<T>::member = reg(typeid(A<T>).name());

bool reg(const char* s)
{
    std::cout << "Registering " << s << std::endl;
}

template const bool A<int>::member;

int main()
{
    A<int> ai;
    A<char> ac;
}