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_CLASS_H 10 #define _LIBCPP___TYPE_TRAITS_IS_CLASS_H 11 12 #include <__config> 13 #include <__type_traits/integral_constant.h> 14 #include <__type_traits/is_union.h> 15 #include <__type_traits/remove_cv.h> 16 17 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 18 # pragma GCC system_header 19 #endif 20 21 _LIBCPP_BEGIN_NAMESPACE_STD 22 23 template <class _Tp> struct _LIBCPP_TEMPLATE_VIS is_class 24 : public integral_constant<bool, __is_class(_Tp)> {}; 25 26 #if _LIBCPP_STD_VER > 14 27 template <class _Tp> 28 inline constexpr bool is_class_v = __is_class(_Tp); 29 #endif 30 31 _LIBCPP_END_NAMESPACE_STD 32 33 #endif // _LIBCPP___TYPE_TRAITS_IS_CLASS_H 34