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5d4439cc3e
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.
41 lines
1.2 KiB
C++
Vendored
41 lines
1.2 KiB
C++
Vendored
// -*- C++ -*-
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//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef _LIBCPP___COMPARE_COMPARE_THREE_WAY_H
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#define _LIBCPP___COMPARE_COMPARE_THREE_WAY_H
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#include <__compare/three_way_comparable.h>
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#include <__config>
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#include <__utility/forward.h>
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#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
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# pragma GCC system_header
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#endif
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_LIBCPP_BEGIN_NAMESPACE_STD
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#if _LIBCPP_STD_VER >= 20
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struct _LIBCPP_TEMPLATE_VIS compare_three_way
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{
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template<class _T1, class _T2>
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requires three_way_comparable_with<_T1, _T2>
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constexpr _LIBCPP_HIDE_FROM_ABI
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auto operator()(_T1&& __t, _T2&& __u) const
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noexcept(noexcept(_VSTD::forward<_T1>(__t) <=> _VSTD::forward<_T2>(__u)))
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{ return _VSTD::forward<_T1>(__t) <=> _VSTD::forward<_T2>(__u); }
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using is_transparent = void;
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};
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#endif // _LIBCPP_STD_VER >= 20
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_LIBCPP_END_NAMESPACE_STD
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#endif // _LIBCPP___COMPARE_COMPARE_THREE_WAY_H
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