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_OBJECT_H 10#define _LIBCPP___TYPE_TRAITS_IS_OBJECT_H 11 12#include <__config> 13#include <__type_traits/integral_constant.h> 14#include <__type_traits/is_array.h> 15#include <__type_traits/is_class.h> 16#include <__type_traits/is_scalar.h> 17#include <__type_traits/is_union.h> 18 19#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 20# pragma GCC system_header 21#endif 22 23_LIBCPP_BEGIN_NAMESPACE_STD 24 25#if __has_builtin(__is_object) 26 27template<class _Tp> 28struct _LIBCPP_TEMPLATE_VIS is_object : _BoolConstant<__is_object(_Tp)> { }; 29 30#if _LIBCPP_STD_VER > 14 31template <class _Tp> 32inline constexpr bool is_object_v = __is_object(_Tp); 33#endif 34 35#else // __has_builtin(__is_object) 36 37template <class _Tp> struct _LIBCPP_TEMPLATE_VIS is_object 38 : public integral_constant<bool, is_scalar<_Tp>::value || 39 is_array<_Tp>::value || 40 is_union<_Tp>::value || 41 is_class<_Tp>::value > {}; 42 43#if _LIBCPP_STD_VER > 14 44template <class _Tp> 45inline constexpr bool is_object_v = is_object<_Tp>::value; 46#endif 47 48#endif // __has_builtin(__is_object) 49 50_LIBCPP_END_NAMESPACE_STD 51 52#endif // _LIBCPP___TYPE_TRAITS_IS_OBJECT_H 53