42 lines · c
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-exception6//7//===----------------------------------------------------------------------===//8 9#ifndef _LIBCPP___CONCEPTS_COPYABLE_H10#define _LIBCPP___CONCEPTS_COPYABLE_H11 12#include <__concepts/assignable.h>13#include <__concepts/constructible.h>14#include <__concepts/movable.h>15#include <__config>16 17#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)18# pragma GCC system_header19#endif20 21_LIBCPP_BEGIN_NAMESPACE_STD22 23#if _LIBCPP_STD_VER >= 2024 25// [concepts.object]26 27// clang-format off28template <class _Tp>29concept copyable =30 copy_constructible<_Tp> &&31 movable<_Tp> &&32 assignable_from<_Tp&, _Tp&> &&33 assignable_from<_Tp&, const _Tp&> &&34 assignable_from<_Tp&, const _Tp>;35// clang-format on36 37#endif // _LIBCPP_STD_VER >= 2038 39_LIBCPP_END_NAMESPACE_STD40 41#endif // _LIBCPP___CONCEPTS_COPYABLE_H42