1 template <class T
, T
... I
>
3 static constexpr T PackSize
= sizeof...(I
);
6 template <typename T
, T N
>
7 using MakeSeq
= __make_integer_seq
<Seq
, T
, N
>;
10 using SizeT
= decltype(sizeof(int));
12 template <SizeT i
, typename
...T
>
13 using TypePackElement
= __type_pack_element
<i
, T
...>;