olb::meta::first_type_with_base< BASE, HEAD, TAIL > Struct Template Reference

Get first type based on BASE contained in a given type list. More...

#include <meta.h>

Collaboration diagram for olb::meta::first_type_with_base< BASE, HEAD, TAIL >:

Public Types
using	type

Detailed Description

template<typename BASE, typename HEAD = void, typename... TAIL>
struct olb::meta::first_type_with_base< BASE, HEAD, TAIL >

Get first type based on BASE contained in a given type list.

If no such list item exists, type is void.

Definition at line 171 of file meta.h.

Member Typedef Documentation

type

template<typename BASE , typename HEAD = void, typename... TAIL>

using olb::meta::first_type_with_base< BASE, HEAD, TAIL >::type

Initial value:

 std::conditional_t<
    std::is_base_of<BASE, HEAD>::value,
    HEAD,
    typename first_type_with_base<BASE, TAIL...>::type
  >

Definition at line 172 of file meta.h.

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The documentation for this struct was generated from the following file:

• src/core/meta.h