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_NOTHROW_MOVE_CONSTRUCTIBLE_H 10 #define _LIBCPP___TYPE_TRAITS_IS_NOTHROW_MOVE_CONSTRUCTIBLE_H 11 12 #include <__config> 13 #include <__type_traits/add_rvalue_reference.h> 14 #include <__type_traits/integral_constant.h> 15 #include <__type_traits/is_nothrow_constructible.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 // TODO: remove this implementation once https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106611 is fixed 24 #ifndef _LIBCPP_COMPILER_GCC 25 26 template <class _Tp> struct _LIBCPP_TEMPLATE_VIS is_nothrow_move_constructible 27 : public integral_constant<bool, __is_nothrow_constructible(_Tp, __add_rvalue_reference_t<_Tp>)> 28 {}; 29 30 #else // _LIBCPP_COMPILER_GCC 31 32 template <class _Tp> struct _LIBCPP_TEMPLATE_VIS is_nothrow_move_constructible 33 : public is_nothrow_constructible<_Tp, __add_rvalue_reference_t<_Tp> > 34 {}; 35 36 #endif // _LIBCPP_COMPILER_GCC 37 38 #if _LIBCPP_STD_VER > 14 39 template <class _Tp> 40 inline constexpr bool is_nothrow_move_constructible_v = is_nothrow_move_constructible<_Tp>::value; 41 #endif 42 43 _LIBCPP_END_NAMESPACE_STD 44 45 #endif // _LIBCPP___TYPE_TRAITS_IS_NOTHROW_MOVE_CONSTRUCTIBLE_H 46