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_IS_UNBOUNDED_ARRAY_H
10#define _LIBCPP___TYPE_TRAITS_IS_UNBOUNDED_ARRAY_H
11
12#include <__config>
13#include <__type_traits/integral_constant.h>
14
15#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
16#  pragma GCC system_header
17#endif
18
19_LIBCPP_BEGIN_NAMESPACE_STD
20
21template <class>
22struct _LIBCPP_TEMPLATE_VIS __libcpp_is_unbounded_array : false_type {};
23template <class _Tp>
24struct _LIBCPP_TEMPLATE_VIS __libcpp_is_unbounded_array<_Tp[]> : true_type {};
25
26#if _LIBCPP_STD_VER >= 20
27
28template <class>
29struct _LIBCPP_TEMPLATE_VIS is_unbounded_array : false_type {};
30template <class _Tp>
31struct _LIBCPP_TEMPLATE_VIS is_unbounded_array<_Tp[]> : true_type {};
32
33template <class _Tp>
34inline constexpr bool is_unbounded_array_v = is_unbounded_array<_Tp>::value;
35
36#endif
37
38_LIBCPP_END_NAMESPACE_STD
39
40#endif // _LIBCPP___TYPE_TRAITS_IS_UNBOUNDED_ARRAY_H
41