Andrew Kelley 5d4439cc3e libcxx: update to LLVM 17
release/17.x branch, commit 8f4dd44097c9ae25dd203d5ac87f3b48f854bba8

This adds the flag `-D_LIBCPP_PSTL_CPU_BACKEND_SERIAL`. A future
enhancement could possibly pass something different if there is a
compelling parallel implementation. That libdispatch one might be worth
looking into.
2023-09-19 09:37:31 -07:00

42 lines
1.1 KiB
C++
Vendored

//===----------------------------------------------------------------------===//
//
// 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___CONCEPTS_COPYABLE_H
#define _LIBCPP___CONCEPTS_COPYABLE_H
#include <__concepts/assignable.h>
#include <__concepts/constructible.h>
#include <__concepts/movable.h>
#include <__config>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
#if _LIBCPP_STD_VER >= 20
// [concepts.object]
// clang-format off
template <class _Tp>
concept copyable =
copy_constructible<_Tp> &&
movable<_Tp> &&
assignable_from<_Tp&, _Tp&> &&
assignable_from<_Tp&, const _Tp&> &&
assignable_from<_Tp&, const _Tp>;
// clang-format on
#endif // _LIBCPP_STD_VER >= 20
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP___CONCEPTS_COPYABLE_H