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_POD_H
10 #define _LIBCPP___TYPE_TRAITS_IS_POD_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 
21 #if __has_builtin(__is_pod)
22 
23 template <class _Tp> struct _LIBCPP_TEMPLATE_VIS is_pod
24     : public integral_constant<bool, __is_pod(_Tp)> {};
25 
26 #else
27 
28 template <class _Tp> struct _LIBCPP_TEMPLATE_VIS is_pod
29     : public integral_constant<bool, is_trivially_default_constructible<_Tp>::value   &&
30                                      is_trivially_copy_constructible<_Tp>::value      &&
31                                      is_trivially_copy_assignable<_Tp>::value    &&
32                                      is_trivially_destructible<_Tp>::value> {};
33 
34 #endif // __has_builtin(__is_pod)
35 
36 #if _LIBCPP_STD_VER > 14
37 template <class _Tp>
38 inline constexpr bool is_pod_v = is_pod<_Tp>::value;
39 #endif
40 
41 _LIBCPP_END_NAMESPACE_STD
42 
43 #endif // _LIBCPP___TYPE_TRAITS_IS_POD_H
44