template<int src, int dst>
struct move_disc
{
    // member access will print src and dst
};

template<int n, int src, int tmp, int dst>
struct hanoi
{
    hanoi<n-1, src, dst, tmp> before;
    typename move_disc<src, dst>::lol disc;
    hanoi<n-1, tmp, src, dst> after;
};

template<int src, int tmp, int dst>
struct hanoi<0, src, tmp, dst>
{
    // recursive base case
};

hanoi<3, 1, 2, 3> go;