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1// -*- C++ -*-2//===----------------------------------------------------------------------===//3//4// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.5// See https://llvm.org/LICENSE.txt for license information.6// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception7//8//===----------------------------------------------------------------------===//9 10#ifndef _LIBCPP___ALGORITHM_IN_IN_OUT_RESULT_H11#define _LIBCPP___ALGORITHM_IN_IN_OUT_RESULT_H12 13#include <__concepts/convertible_to.h>14#include <__config>15#include <__utility/move.h>16 17#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)18# pragma GCC system_header19#endif20 21_LIBCPP_PUSH_MACROS22#include <__undef_macros>23 24_LIBCPP_BEGIN_NAMESPACE_STD25 26#if _LIBCPP_STD_VER >= 2027 28namespace ranges {29 30template <class _InIter1, class _InIter2, class _OutIter1>31struct in_in_out_result {32 _LIBCPP_NO_UNIQUE_ADDRESS _InIter1 in1;33 _LIBCPP_NO_UNIQUE_ADDRESS _InIter2 in2;34 _LIBCPP_NO_UNIQUE_ADDRESS _OutIter1 out;35 36 template <class _InIter3, class _InIter4, class _OutIter2>37 requires convertible_to<const _InIter1&, _InIter3> && convertible_to<const _InIter2&, _InIter4> &&38 convertible_to<const _OutIter1&, _OutIter2>39 _LIBCPP_HIDE_FROM_ABI constexpr operator in_in_out_result<_InIter3, _InIter4, _OutIter2>() const& {40 return {in1, in2, out};41 }42 43 template <class _InIter3, class _InIter4, class _OutIter2>44 requires convertible_to<_InIter1, _InIter3> && convertible_to<_InIter2, _InIter4> &&45 convertible_to<_OutIter1, _OutIter2>46 _LIBCPP_HIDE_FROM_ABI constexpr operator in_in_out_result<_InIter3, _InIter4, _OutIter2>() && {47 return {std::move(in1), std::move(in2), std::move(out)};48 }49};50 51} // namespace ranges52 53#endif // _LIBCPP_STD_VER >= 2054 55_LIBCPP_END_NAMESPACE_STD56 57_LIBCPP_POP_MACROS58 59#endif // _LIBCPP___ALGORITHM_IN_IN_OUT_RESULT_H60