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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-exception |
| 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | |
| 10 | #ifndef _LIBCPP___ALGORITHM_OUT_VALUE_RESULT_H |
| 11 | #define _LIBCPP___ALGORITHM_OUT_VALUE_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_PUSH_MACROS |
| 22 | #include <__undef_macros> |
| 23 | |
| 24 | _LIBCPP_BEGIN_NAMESPACE_STD |
| 25 | |
| 26 | #if _LIBCPP_STD_VER >= 23 |
| 27 | |
| 28 | namespace ranges { |
| 29 | |
| 30 | template <class _OutIter1, class _ValType1> |
| 31 | struct out_value_result { |
| 32 | _LIBCPP_NO_UNIQUE_ADDRESS _OutIter1 out; |
| 33 | _LIBCPP_NO_UNIQUE_ADDRESS _ValType1 value; |
| 34 | |
| 35 | template <class _OutIter2, class _ValType2> |
| 36 | requires convertible_to<const _OutIter1&, _OutIter2> && convertible_to<const _ValType1&, _ValType2> |
| 37 | _LIBCPP_HIDE_FROM_ABI constexpr operator out_value_result<_OutIter2, _ValType2>() const& { |
| 38 | return {out, value}; |
| 39 | } |
| 40 | |
| 41 | template <class _OutIter2, class _ValType2> |
| 42 | requires convertible_to<_OutIter1, _OutIter2> && convertible_to<_ValType1, _ValType2> |
| 43 | _LIBCPP_HIDE_FROM_ABI constexpr operator out_value_result<_OutIter2, _ValType2>() && { |
| 44 | return {std::move(out), std::move(value)}; |
| 45 | } |
| 46 | }; |
| 47 | |
| 48 | } // namespace ranges |
| 49 | |
| 50 | #endif // _LIBCPP_STD_VER >= 23 |
| 51 | |
| 52 | _LIBCPP_END_NAMESPACE_STD |
| 53 | |
| 54 | _LIBCPP_POP_MACROS |
| 55 | |
| 56 | #endif // _LIBCPP___ALGORITHM_OUT_VALUE_RESULT_H |
| 57 |
Warning: This file is not a C or C++ file. It does not have highlighting.