| // -*- C++ -*- |
| //===----------------------------------------------------------------------===// |
| // |
| // 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___ALGORITHM_IN_OUT_RESULT_H |
| #define _LIBCPP___ALGORITHM_IN_OUT_RESULT_H |
| |
| #include <__concepts/convertible_to.h> |
| #include <__config> |
| #include <__utility/move.h> |
| |
| #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
| #pragma GCC system_header |
| #endif |
| |
| _LIBCPP_BEGIN_NAMESPACE_STD |
| |
| #if !defined(_LIBCPP_HAS_NO_RANGES) |
| namespace ranges { |
| |
| template<class _InputIterator, class _OutputIterator> |
| struct in_out_result { |
| [[no_unique_address]] _InputIterator in; |
| [[no_unique_address]] _OutputIterator out; |
| |
| template <class _InputIterator2, class _OutputIterator2> |
| requires convertible_to<const _InputIterator&, _InputIterator2> && convertible_to<const _OutputIterator&, |
| _OutputIterator2> |
| _LIBCPP_HIDE_FROM_ABI |
| constexpr operator in_out_result<_InputIterator2, _OutputIterator2>() const & { |
| return {in, out}; |
| } |
| |
| template <class _InputIterator2, class _OutputIterator2> |
| requires convertible_to<_InputIterator, _InputIterator2> && convertible_to<_OutputIterator, _OutputIterator2> |
| _LIBCPP_HIDE_FROM_ABI |
| constexpr operator in_out_result<_InputIterator2, _OutputIterator2>() && { |
| return {_VSTD::move(in), _VSTD::move(out)}; |
| } |
| }; |
| |
| } // namespace ranges |
| #endif // !defined(_LIBCPP_HAS_NO_RANGES) |
| |
| _LIBCPP_END_NAMESPACE_STD |
| |
| #endif // _LIBCPP___ALGORITHM_IN_OUT_RESULT_H |
