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56 lines
1.6 KiB
C++
Vendored
56 lines
1.6 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___ALGORITHM_OUT_VALUE_RESULT_H
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#define _LIBCPP___ALGORITHM_OUT_VALUE_RESULT_H
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#include <__concepts/convertible_to.h>
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#include <__config>
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#include <__utility/move.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_PUSH_MACROS
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#include <__undef_macros>
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_LIBCPP_BEGIN_NAMESPACE_STD
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#if _LIBCPP_STD_VER >= 23
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namespace ranges {
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template <class _OutIter1, class _ValType1>
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struct out_value_result {
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_LIBCPP_NO_UNIQUE_ADDRESS _OutIter1 out;
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_LIBCPP_NO_UNIQUE_ADDRESS _ValType1 value;
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template <class _OutIter2, class _ValType2>
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requires convertible_to<const _OutIter1&, _OutIter2> && convertible_to<const _ValType1&, _ValType2>
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_LIBCPP_HIDE_FROM_ABI constexpr operator out_value_result<_OutIter2, _ValType2>() const& {
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return {out, value};
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}
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template <class _OutIter2, class _ValType2>
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requires convertible_to<_OutIter1, _OutIter2> && convertible_to<_ValType1, _ValType2>
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_LIBCPP_HIDE_FROM_ABI constexpr operator out_value_result<_OutIter2, _ValType2>() && {
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return {std::move(out), std::move(value)};
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}
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};
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} // namespace ranges
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#endif // _LIBCPP_STD_VER >= 23
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_LIBCPP_END_NAMESPACE_STD
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_LIBCPP_POP_MACROS
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#endif // _LIBCPP___ALGORITHM_OUT_VALUE_RESULT_H
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