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