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-exception 7 // 8 //===----------------------------------------------------------------------===// 9 10 #ifndef _LIBCPP___ALGORITHM_IN_OUT_OUT_RESULT_H 11 #define _LIBCPP___ALGORITHM_IN_OUT_OUT_RESULT_H 12 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_header 19 #endif 20 21 _LIBCPP_BEGIN_NAMESPACE_STD 22 23 #if _LIBCPP_STD_VER > 17 24 25 namespace ranges { 26 template <class _InIter1, class _OutIter1, class _OutIter2> 27 struct in_out_out_result { 28 _LIBCPP_NO_UNIQUE_ADDRESS _InIter1 in; 29 _LIBCPP_NO_UNIQUE_ADDRESS _OutIter1 out1; 30 _LIBCPP_NO_UNIQUE_ADDRESS _OutIter2 out2; 31 32 template <class _InIter2, class _OutIter3, class _OutIter4> 33 requires convertible_to<const _InIter1&, _InIter2> 34 && convertible_to<const _OutIter1&, _OutIter3> && convertible_to<const _OutIter2&, _OutIter4> 35 _LIBCPP_HIDE_FROM_ABI constexpr 36 operator in_out_out_result<_InIter2, _OutIter3, _OutIter4>() const& { 37 return {in, out1, out2}; 38 } 39 40 template <class _InIter2, class _OutIter3, class _OutIter4> 41 requires convertible_to<_InIter1, _InIter2> 42 && convertible_to<_OutIter1, _OutIter3> && convertible_to<_OutIter2, _OutIter4> 43 _LIBCPP_HIDE_FROM_ABI constexpr 44 operator in_out_out_result<_InIter2, _OutIter3, _OutIter4>() && { 45 return {std::move(in), std::move(out1), std::move(out2)}; 46 } 47 }; 48 } // namespace ranges 49 50 #endif // _LIBCPP_STD_VER > 17 51 52 _LIBCPP_END_NAMESPACE_STD 53 54 #endif // _LIBCPP___ALGORITHM_IN_OUT_OUT_RESULT_H 55