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_BOUNDED_ARRAY_H 10 #define _LIBCPP___TYPE_TRAITS_IS_BOUNDED_ARRAY_H 11 12 #include <__config> 13 #include <__cstddef/size_t.h> 14 #include <__type_traits/integral_constant.h> 15 16 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 17 # pragma GCC system_header 18 #endif 19 20 _LIBCPP_BEGIN_NAMESPACE_STD 21 22 template <class> 23 inline const bool __is_bounded_array_v = false; 24 template <class _Tp, size_t _Np> 25 inline const bool __is_bounded_array_v<_Tp[_Np]> = true; 26 27 #if _LIBCPP_STD_VER >= 20 28 29 template <class> 30 struct _LIBCPP_TEMPLATE_VIS _LIBCPP_NO_SPECIALIZATIONS is_bounded_array : false_type {}; 31 32 _LIBCPP_DIAGNOSTIC_PUSH 33 # if __has_warning("-Winvalid-specialization") 34 _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Winvalid-specialization") 35 # endif 36 template <class _Tp, size_t _Np> 37 struct _LIBCPP_TEMPLATE_VIS is_bounded_array<_Tp[_Np]> : true_type {}; 38 _LIBCPP_DIAGNOSTIC_POP 39 40 template <class _Tp> 41 _LIBCPP_NO_SPECIALIZATIONS inline constexpr bool is_bounded_array_v = is_bounded_array<_Tp>::value; 42 43 #endif 44 45 _LIBCPP_END_NAMESPACE_STD 46 47 #endif // _LIBCPP___TYPE_TRAITS_IS_BOUNDED_ARRAY_H 48