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_CONSTRUCTIBLE_H 10 #define _LIBCPP___TYPE_TRAITS_IS_TRIVIALLY_CONSTRUCTIBLE_H 11 12 #include <__config> 13 #include <__type_traits/add_lvalue_reference.h> 14 #include <__type_traits/add_rvalue_reference.h> 15 #include <__type_traits/integral_constant.h> 16 17 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 18 # pragma GCC system_header 19 #endif 20 21 _LIBCPP_BEGIN_NAMESPACE_STD 22 23 template <class _Tp, class... _Args> 24 struct _LIBCPP_TEMPLATE_VIS _LIBCPP_NO_SPECIALIZATIONS is_trivially_constructible 25 : integral_constant<bool, __is_trivially_constructible(_Tp, _Args...)> {}; 26 27 #if _LIBCPP_STD_VER >= 17 28 template <class _Tp, class... _Args> 29 _LIBCPP_NO_SPECIALIZATIONS inline constexpr bool is_trivially_constructible_v = 30 __is_trivially_constructible(_Tp, _Args...); 31 #endif 32 33 template <class _Tp> 34 struct _LIBCPP_TEMPLATE_VIS _LIBCPP_NO_SPECIALIZATIONS is_trivially_copy_constructible 35 : public integral_constant<bool, __is_trivially_constructible(_Tp, __add_lvalue_reference_t<const _Tp>)> {}; 36 37 #if _LIBCPP_STD_VER >= 17 38 template <class _Tp> 39 _LIBCPP_NO_SPECIALIZATIONS inline constexpr bool is_trivially_copy_constructible_v = 40 is_trivially_copy_constructible<_Tp>::value; 41 #endif 42 43 template <class _Tp> 44 struct _LIBCPP_TEMPLATE_VIS _LIBCPP_NO_SPECIALIZATIONS is_trivially_move_constructible 45 : public integral_constant<bool, __is_trivially_constructible(_Tp, __add_rvalue_reference_t<_Tp>)> {}; 46 47 #if _LIBCPP_STD_VER >= 17 48 template <class _Tp> 49 _LIBCPP_NO_SPECIALIZATIONS inline constexpr bool is_trivially_move_constructible_v = 50 is_trivially_move_constructible<_Tp>::value; 51 #endif 52 53 template <class _Tp> 54 struct _LIBCPP_TEMPLATE_VIS _LIBCPP_NO_SPECIALIZATIONS is_trivially_default_constructible 55 : public integral_constant<bool, __is_trivially_constructible(_Tp)> {}; 56 57 #if _LIBCPP_STD_VER >= 17 58 template <class _Tp> 59 _LIBCPP_NO_SPECIALIZATIONS inline constexpr bool is_trivially_default_constructible_v = 60 __is_trivially_constructible(_Tp); 61 #endif 62 63 _LIBCPP_END_NAMESPACE_STD 64 65 #endif // _LIBCPP___TYPE_TRAITS_IS_TRIVIALLY_CONSTRUCTIBLE_H 66