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0001 // -*- C++ -*-
0002 //===----------------------------------------------------------------------===//
0003 //
0004 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
0005 // See https://llvm.org/LICENSE.txt for license information.
0006 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
0007 //
0008 //===----------------------------------------------------------------------===//
0009 
0010 #ifndef _LIBCPP___ALGORITHM_MIN_MAX_RESULT_H
0011 #define _LIBCPP___ALGORITHM_MIN_MAX_RESULT_H
0012 
0013 #include <__concepts/convertible_to.h>
0014 #include <__config>
0015 #include <__utility/move.h>
0016 
0017 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
0018 #  pragma GCC system_header
0019 #endif
0020 
0021 _LIBCPP_PUSH_MACROS
0022 #include <__undef_macros>
0023 
0024 _LIBCPP_BEGIN_NAMESPACE_STD
0025 
0026 #if _LIBCPP_STD_VER >= 20
0027 
0028 namespace ranges {
0029 
0030 template <class _T1>
0031 struct min_max_result {
0032   _LIBCPP_NO_UNIQUE_ADDRESS _T1 min;
0033   _LIBCPP_NO_UNIQUE_ADDRESS _T1 max;
0034 
0035   template <class _T2>
0036     requires convertible_to<const _T1&, _T2>
0037   _LIBCPP_HIDE_FROM_ABI constexpr operator min_max_result<_T2>() const& {
0038     return {min, max};
0039   }
0040 
0041   template <class _T2>
0042     requires convertible_to<_T1, _T2>
0043   _LIBCPP_HIDE_FROM_ABI constexpr operator min_max_result<_T2>() && {
0044     return {std::move(min), std::move(max)};
0045   }
0046 };
0047 
0048 } // namespace ranges
0049 
0050 #endif // _LIBCPP_STD_VER >= 20
0051 
0052 _LIBCPP_END_NAMESPACE_STD
0053 
0054 _LIBCPP_POP_MACROS
0055 
0056 #endif // _LIBCPP___ALGORITHM_MIN_MAX_RESULT_H