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_ENUM_H
10#define _LIBCPP___TYPE_TRAITS_IS_ENUM_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 _Tp> struct _LIBCPP_TEMPLATE_VIS is_enum
22    : public integral_constant<bool, __is_enum(_Tp)> {};
23
24#if _LIBCPP_STD_VER > 14
25template <class _Tp>
26inline constexpr bool is_enum_v = __is_enum(_Tp);
27#endif
28
29_LIBCPP_END_NAMESPACE_STD
30
31#endif // _LIBCPP___TYPE_TRAITS_IS_ENUM_H
32