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_MIN_MAX_RESULT_H 11 #define _LIBCPP___ALGORITHM_MIN_MAX_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 >= 20 27 28 namespace ranges { 29 30 template <class _T1> 31 struct min_max_result { 32 _LIBCPP_NO_UNIQUE_ADDRESS _T1 min; 33 _LIBCPP_NO_UNIQUE_ADDRESS _T1 max; 34 35 template <class _T2> 36 requires convertible_to<const _T1&, _T2> 37 _LIBCPP_HIDE_FROM_ABI constexpr operator min_max_result<_T2>() const& { 38 return {min, max}; 39 } 40 41 template <class _T2> 42 requires convertible_to<_T1, _T2> 43 _LIBCPP_HIDE_FROM_ABI constexpr operator min_max_result<_T2>() && { 44 return {std::move(min), std::move(max)}; 45 } 46 }; 47 48 } // namespace ranges 49 50 #endif // _LIBCPP_STD_VER >= 20 51 52 _LIBCPP_END_NAMESPACE_STD 53 54 _LIBCPP_POP_MACROS 55 56 #endif // _LIBCPP___ALGORITHM_MIN_MAX_RESULT_H 57