xref: /llvm-project/libcxx/include/__algorithm/min_max_result.h (revision 9783f28cbb155e4a8d49c12e1c60ce14dcfaf0c7)
1807766beSNikolas Klauser // -*- C++ -*-
2807766beSNikolas Klauser //===----------------------------------------------------------------------===//
3807766beSNikolas Klauser //
4807766beSNikolas Klauser // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
5807766beSNikolas Klauser // See https://llvm.org/LICENSE.txt for license information.
6807766beSNikolas Klauser // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7807766beSNikolas Klauser //
8807766beSNikolas Klauser //===----------------------------------------------------------------------===//
9807766beSNikolas Klauser 
10807766beSNikolas Klauser #ifndef _LIBCPP___ALGORITHM_MIN_MAX_RESULT_H
11807766beSNikolas Klauser #define _LIBCPP___ALGORITHM_MIN_MAX_RESULT_H
12807766beSNikolas Klauser 
13807766beSNikolas Klauser #include <__concepts/convertible_to.h>
14807766beSNikolas Klauser #include <__config>
15807766beSNikolas Klauser #include <__utility/move.h>
16807766beSNikolas Klauser 
17807766beSNikolas Klauser #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
18807766beSNikolas Klauser #  pragma GCC system_header
19807766beSNikolas Klauser #endif
20807766beSNikolas Klauser 
21807766beSNikolas Klauser _LIBCPP_PUSH_MACROS
22807766beSNikolas Klauser #include <__undef_macros>
23807766beSNikolas Klauser 
24807766beSNikolas Klauser _LIBCPP_BEGIN_NAMESPACE_STD
25807766beSNikolas Klauser 
26*4f15267dSNikolas Klauser #if _LIBCPP_STD_VER >= 20
27807766beSNikolas Klauser 
28807766beSNikolas Klauser namespace ranges {
29807766beSNikolas Klauser 
30807766beSNikolas Klauser template <class _T1>
31807766beSNikolas Klauser struct min_max_result {
32c7b43b01SNikolas Klauser   _LIBCPP_NO_UNIQUE_ADDRESS _T1 min;
33c7b43b01SNikolas Klauser   _LIBCPP_NO_UNIQUE_ADDRESS _T1 max;
34807766beSNikolas Klauser 
35807766beSNikolas Klauser   template <class _T2>
36807766beSNikolas Klauser     requires convertible_to<const _T1&, _T2>
min_max_resultmin_max_result37807766beSNikolas Klauser   _LIBCPP_HIDE_FROM_ABI constexpr operator min_max_result<_T2>() const& {
38807766beSNikolas Klauser     return {min, max};
39807766beSNikolas Klauser   }
40807766beSNikolas Klauser 
41807766beSNikolas Klauser   template <class _T2>
42807766beSNikolas Klauser     requires convertible_to<_T1, _T2>
min_max_resultmin_max_result43807766beSNikolas Klauser   _LIBCPP_HIDE_FROM_ABI constexpr operator min_max_result<_T2>() && {
44807766beSNikolas Klauser     return {std::move(min), std::move(max)};
45807766beSNikolas Klauser   }
46807766beSNikolas Klauser };
47807766beSNikolas Klauser 
48807766beSNikolas Klauser } // namespace ranges
49807766beSNikolas Klauser 
50*4f15267dSNikolas Klauser #endif // _LIBCPP_STD_VER >= 20
51807766beSNikolas Klauser 
52807766beSNikolas Klauser _LIBCPP_END_NAMESPACE_STD
53807766beSNikolas Klauser 
54807766beSNikolas Klauser _LIBCPP_POP_MACROS
55807766beSNikolas Klauser 
56e06ca312SNikolas Klauser #endif // _LIBCPP___ALGORITHM_MIN_MAX_RESULT_H
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