1349cc55cSDimitry Andric //===----------------------------------------------------------------------===// 2349cc55cSDimitry Andric // 3349cc55cSDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4349cc55cSDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 5349cc55cSDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6349cc55cSDimitry Andric // 7349cc55cSDimitry Andric //===----------------------------------------------------------------------===// 8349cc55cSDimitry Andric 9349cc55cSDimitry Andric #ifndef _LIBCPP___CONCEPTS_CLASS_OR_ENUM_H 10349cc55cSDimitry Andric #define _LIBCPP___CONCEPTS_CLASS_OR_ENUM_H 11349cc55cSDimitry Andric 12349cc55cSDimitry Andric #include <__config> 13bdd1243dSDimitry Andric #include <__type_traits/is_class.h> 14bdd1243dSDimitry Andric #include <__type_traits/is_enum.h> 15bdd1243dSDimitry Andric #include <__type_traits/is_union.h> 16bdd1243dSDimitry Andric #include <__type_traits/remove_cvref.h> 17349cc55cSDimitry Andric 18349cc55cSDimitry Andric #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 19349cc55cSDimitry Andric # pragma GCC system_header 20349cc55cSDimitry Andric #endif 21349cc55cSDimitry Andric 22349cc55cSDimitry Andric _LIBCPP_BEGIN_NAMESPACE_STD 23349cc55cSDimitry Andric 24*06c3fb27SDimitry Andric #if _LIBCPP_STD_VER >= 20 25349cc55cSDimitry Andric 26349cc55cSDimitry Andric // Whether a type is a class type or enumeration type according to the Core wording. 27349cc55cSDimitry Andric 28349cc55cSDimitry Andric template <class _Tp> 29349cc55cSDimitry Andric concept __class_or_enum = is_class_v<_Tp> || is_union_v<_Tp> || is_enum_v<_Tp>; 30349cc55cSDimitry Andric 31*06c3fb27SDimitry Andric #endif // _LIBCPP_STD_VER >= 20 32349cc55cSDimitry Andric 33349cc55cSDimitry Andric _LIBCPP_END_NAMESPACE_STD 34349cc55cSDimitry Andric 35349cc55cSDimitry Andric #endif // _LIBCPP___CONCEPTS_CLASS_OR_ENUM_H 36