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