// -*- C++ -*- //===----------------------------------------------------------------------===// // // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. // See https://llvm.org/LICENSE.txt for license information. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception // //===----------------------------------------------------------------------===// #ifndef _LIBCPP___UTILITY_MOVE_H #define _LIBCPP___UTILITY_MOVE_H #include <__config> #include <__type_traits/conditional.h> #include <__type_traits/is_constructible.h> #include <__type_traits/is_nothrow_constructible.h> #include <__type_traits/remove_reference.h> #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) # pragma GCC system_header #endif _LIBCPP_PUSH_MACROS #include <__undef_macros> _LIBCPP_BEGIN_NAMESPACE_STD template _LIBCPP_NODISCARD inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR __libcpp_remove_reference_t<_Tp>&& move(_LIBCPP_LIFETIMEBOUND _Tp&& __t) _NOEXCEPT { typedef _LIBCPP_NODEBUG __libcpp_remove_reference_t<_Tp> _Up; return static_cast<_Up&&>(__t); } template using __move_if_noexcept_result_t = __conditional_t::value && is_copy_constructible<_Tp>::value, const _Tp&, _Tp&&>; template _LIBCPP_NODISCARD inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 __move_if_noexcept_result_t<_Tp> move_if_noexcept(_LIBCPP_LIFETIMEBOUND _Tp& __x) _NOEXCEPT { return std::move(__x); } _LIBCPP_END_NAMESPACE_STD _LIBCPP_POP_MACROS #endif // _LIBCPP___UTILITY_MOVE_H