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_TRIVIALLY_DESTRUCTIBLE_H
10 #define _LIBCPP___TYPE_TRAITS_IS_TRIVIALLY_DESTRUCTIBLE_H
11 
12 #include <__config>
13 #include <__type_traits/integral_constant.h>
14 #include <__type_traits/is_destructible.h>
15 
16 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
17 #  pragma GCC system_header
18 #endif
19 
20 _LIBCPP_BEGIN_NAMESPACE_STD
21 
22 #if __has_builtin(__is_trivially_destructible)
23 
24 template <class _Tp>
25 struct _LIBCPP_TEMPLATE_VIS is_trivially_destructible
26     : public integral_constant<bool, __is_trivially_destructible(_Tp)> {};
27 
28 #elif __has_builtin(__has_trivial_destructor)
29 
30 template <class _Tp>
31 struct _LIBCPP_TEMPLATE_VIS is_trivially_destructible
32     : public integral_constant<bool, is_destructible<_Tp>::value&& __has_trivial_destructor(_Tp)> {};
33 
34 #else
35 
36 #  error is_trivially_destructible is not implemented
37 
38 #endif // __has_builtin(__is_trivially_destructible)
39 
40 #if _LIBCPP_STD_VER >= 17
41 template <class _Tp>
42 inline constexpr bool is_trivially_destructible_v = is_trivially_destructible<_Tp>::value;
43 #endif
44 
45 _LIBCPP_END_NAMESPACE_STD
46 
47 #endif // _LIBCPP___TYPE_TRAITS_IS_TRIVIALLY_DESTRUCTIBLE_H
48