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Wrapping each type in a variadic template in a templated class

Given a variadic template Types..., I would like to store A<> for each of the types in the pack. This could be done in a tuple of A<>'s, but I'd need to programmatically derive the type of said tuple.

Is such a thing even possible in c++11/14/17?

template <class T> class A { };

template <class... Types>
class B
{
   // A tuple of A<>'s for each type in Types...
   std::tuple<A<Type1>, A<Type2>, ...> data;
};
like image 772
Stijn Frishert Avatar asked Sep 01 '15 16:09

Stijn Frishert


1 Answers

Simply with:

template <class... Types>
class B
{
   std::tuple<A<Types>...> data;
};
like image 120
Jarod42 Avatar answered Nov 15 '22 16:11

Jarod42