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 = is_object_v<_Tp> && move_constructible<_Tp> && assignable_from<_Tp&, _Tp> && swappable<_Tp>; |
30 | |
31 | #endif // _LIBCPP_STD_VER >= 20 |
32 | |
33 | _LIBCPP_END_NAMESPACE_STD |
34 | |
35 | #endif // _LIBCPP___CONCEPTS_MOVABLE_H |
36 | |