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>     struct _LIBCPP_TEMPLATE_VIS __libcpp_is_unbounded_array        : false_type {};
22 template <class _Tp> struct _LIBCPP_TEMPLATE_VIS __libcpp_is_unbounded_array<_Tp[]> : true_type {};
23 
24 #if _LIBCPP_STD_VER > 17
25 
26 template <class>     struct _LIBCPP_TEMPLATE_VIS is_unbounded_array        : false_type {};
27 template <class _Tp> struct _LIBCPP_TEMPLATE_VIS is_unbounded_array<_Tp[]> : true_type {};
28 
29 template <class _Tp>
30 inline constexpr
31 bool is_unbounded_array_v  = is_unbounded_array<_Tp>::value;
32 
33 #endif
34 
35 _LIBCPP_END_NAMESPACE_STD
36 
37 #endif // _LIBCPP___TYPE_TRAITS_IS_UNBOUNDED_ARRAY_H
38