qb::nth_type< num, T > Struct Template Reference

Metafunction for selecting the Nth type in a variadic template parameter pack. More...

#include <type_traits.h>

Detailed Description

template<size_t num, typename... T>
struct qb::nth_type< num, T >

Metafunction for selecting the Nth type in a variadic template parameter pack.

Template Parameters

num	0-based index of the type to select.
T	Variadic parameter pack of types.

Returns

type is an alias to the Nth type in T....