The following code example is taken from the book
C++ Templates - The Complete Guide, 2nd Edition
by David Vandevoorde, Nicolai M. Josuttis, and Douglas Gregor,
Addison-Wesley, 2017
© Copyright David Vandevoorde, Nicolai M. Josuttis, Douglas Gregor 2017
template<typename List>
class PopFrontT;
template<typename Head, typename... Tail>
class PopFrontT<Typelist<Head, Tail...>> {
public:
using Type = Typelist<Tail...>;
};
template<typename List>
using PopFront = typename PopFrontT<List>::Type;