1//===----------------------------------------------------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9#ifndef _LIBCPP___TYPE_TRAITS_REMOVE_ALL_EXTENTS_H
10#define _LIBCPP___TYPE_TRAITS_REMOVE_ALL_EXTENTS_H
11
12#include <__config>
13#include <cstddef>
14
15#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
16#  pragma GCC system_header
17#endif
18
19_LIBCPP_BEGIN_NAMESPACE_STD
20
21#if __has_builtin(__remove_all_extents)
22template <class _Tp>
23struct remove_all_extents {
24  using type _LIBCPP_NODEBUG = __remove_all_extents(_Tp);
25};
26
27template <class _Tp>
28using __remove_all_extents_t = __remove_all_extents(_Tp);
29#else
30template <class _Tp>
31struct _LIBCPP_TEMPLATE_VIS remove_all_extents {
32  typedef _Tp type;
33};
34template <class _Tp>
35struct _LIBCPP_TEMPLATE_VIS remove_all_extents<_Tp[]> {
36  typedef typename remove_all_extents<_Tp>::type type;
37};
38template <class _Tp, size_t _Np>
39struct _LIBCPP_TEMPLATE_VIS remove_all_extents<_Tp[_Np]> {
40  typedef typename remove_all_extents<_Tp>::type type;
41};
42
43template <class _Tp>
44using __remove_all_extents_t = typename remove_all_extents<_Tp>::type;
45#endif // __has_builtin(__remove_all_extents)
46
47#if _LIBCPP_STD_VER >= 14
48template <class _Tp>
49using remove_all_extents_t = __remove_all_extents_t<_Tp>;
50#endif
51
52_LIBCPP_END_NAMESPACE_STD
53
54#endif // _LIBCPP___TYPE_TRAITS_REMOVE_ALL_EXTENTS_H
55