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 
21 template <class>
22 struct _LIBCPP_TEMPLATE_VIS __libcpp_is_unbounded_array : false_type {};
23 template <class _Tp>
24 struct _LIBCPP_TEMPLATE_VIS __libcpp_is_unbounded_array<_Tp[]> : true_type {};
25 
26 #if _LIBCPP_STD_VER >= 20
27 
28 template <class>
29 struct _LIBCPP_TEMPLATE_VIS is_unbounded_array : false_type {};
30 template <class _Tp>
31 struct _LIBCPP_TEMPLATE_VIS is_unbounded_array<_Tp[]> : true_type {};
32 
33 template <class _Tp>
34 inline 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