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___CONCEPTS_MOVABLE_H 10 #define _LIBCPP___CONCEPTS_MOVABLE_H 11 12 #include <__concepts/assignable.h> 13 #include <__concepts/constructible.h> 14 #include <__concepts/swappable.h> 15 #include <__config> 16 #include <__type_traits/is_object.h> 17 18 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 19 # pragma GCC system_header 20 #endif 21 22 _LIBCPP_BEGIN_NAMESPACE_STD 23 24 #if _LIBCPP_STD_VER >= 20 25 26 // [concepts.object] 27 28 template<class _Tp> 29 concept movable = 30 is_object_v<_Tp> && 31 move_constructible<_Tp> && 32 assignable_from<_Tp&, _Tp> && 33 swappable<_Tp>; 34 35 #endif // _LIBCPP_STD_VER >= 20 36 37 _LIBCPP_END_NAMESPACE_STD 38 39 #endif // _LIBCPP___CONCEPTS_MOVABLE_H 40