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//
// 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
// SPDX-FileCopyrightText: Copyright (c) 2023 NVIDIA CORPORATION & AFFILIATES.
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCUDACXX___CONCEPTS_COPYABLE_H
#define _LIBCUDACXX___CONCEPTS_COPYABLE_H
#ifndef __cuda_std__
#include <__config>
#endif //__cuda_std__
#include "../__concepts/__concept_macros.h"
#include "../__concepts/assignable.h"
#include "../__concepts/constructible.h"
#include "../__concepts/movable.h"
#if defined(_CCCL_IMPLICIT_SYSTEM_HEADER_GCC)
# pragma GCC system_header
#elif defined(_CCCL_IMPLICIT_SYSTEM_HEADER_CLANG)
# pragma clang system_header
#elif defined(_CCCL_IMPLICIT_SYSTEM_HEADER_MSVC)
# pragma system_header
#endif // no system header
_LIBCUDACXX_BEGIN_NAMESPACE_STD
#if _LIBCUDACXX_STD_VER > 17
// [concepts.object]
template<class _Tp>
concept copyable =
copy_constructible<_Tp> &&
movable<_Tp> &&
assignable_from<_Tp&, _Tp&> &&
assignable_from<_Tp&, const _Tp&> &&
assignable_from<_Tp&, const _Tp>;
#elif _LIBCUDACXX_STD_VER > 11
template<class _Tp>
_LIBCUDACXX_CONCEPT_FRAGMENT(
__copyable_,
requires()(
requires(copy_constructible<_Tp>),
requires(movable<_Tp>),
requires(assignable_from<_Tp&, _Tp&>),
requires(assignable_from<_Tp&, const _Tp&>),
requires(assignable_from<_Tp&, const _Tp>)
));
template<class _Tp>
_LIBCUDACXX_CONCEPT copyable = _LIBCUDACXX_FRAGMENT(__copyable_,_Tp);
#endif // _LIBCUDACXX_STD_VER > 11
_LIBCUDACXX_END_NAMESPACE_STD
#endif // _LIBCUDACXX___CONCEPTS_COPYABLE_H
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