181ad6265SDimitry Andric // -*- C++ -*- 281ad6265SDimitry Andric //===----------------------------------------------------------------------===// 381ad6265SDimitry Andric // 481ad6265SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 581ad6265SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 681ad6265SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 781ad6265SDimitry Andric // 881ad6265SDimitry Andric //===----------------------------------------------------------------------===// 981ad6265SDimitry Andric 1081ad6265SDimitry Andric #ifndef _LIBCPP___ALGORITHM_IN_FUN_RESULT_H 1181ad6265SDimitry Andric #define _LIBCPP___ALGORITHM_IN_FUN_RESULT_H 1281ad6265SDimitry Andric 1381ad6265SDimitry Andric #include <__concepts/convertible_to.h> 1481ad6265SDimitry Andric #include <__config> 1581ad6265SDimitry Andric #include <__utility/move.h> 1681ad6265SDimitry Andric 1781ad6265SDimitry Andric #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 1881ad6265SDimitry Andric # pragma GCC system_header 1981ad6265SDimitry Andric #endif 2081ad6265SDimitry Andric 21*b3edf446SDimitry Andric _LIBCPP_PUSH_MACROS 22*b3edf446SDimitry Andric #include <__undef_macros> 23*b3edf446SDimitry Andric 2481ad6265SDimitry Andric _LIBCPP_BEGIN_NAMESPACE_STD 2581ad6265SDimitry Andric 2606c3fb27SDimitry Andric #if _LIBCPP_STD_VER >= 20 2781ad6265SDimitry Andric 2881ad6265SDimitry Andric namespace ranges { 2981ad6265SDimitry Andric template <class _InIter1, class _Func1> 3081ad6265SDimitry Andric struct in_fun_result { 3181ad6265SDimitry Andric _LIBCPP_NO_UNIQUE_ADDRESS _InIter1 in; 3281ad6265SDimitry Andric _LIBCPP_NO_UNIQUE_ADDRESS _Func1 fun; 3381ad6265SDimitry Andric 3481ad6265SDimitry Andric template <class _InIter2, class _Func2> 3581ad6265SDimitry Andric requires convertible_to<const _InIter1&, _InIter2> && convertible_to<const _Func1&, _Func2> in_fun_resultin_fun_result3681ad6265SDimitry Andric _LIBCPP_HIDE_FROM_ABI constexpr operator in_fun_result<_InIter2, _Func2>() const& { 3781ad6265SDimitry Andric return {in, fun}; 3881ad6265SDimitry Andric } 3981ad6265SDimitry Andric 4081ad6265SDimitry Andric template <class _InIter2, class _Func2> 4181ad6265SDimitry Andric requires convertible_to<_InIter1, _InIter2> && convertible_to<_Func1, _Func2> in_fun_resultin_fun_result4281ad6265SDimitry Andric _LIBCPP_HIDE_FROM_ABI constexpr operator in_fun_result<_InIter2, _Func2>() && { 4381ad6265SDimitry Andric return {std::move(in), std::move(fun)}; 4481ad6265SDimitry Andric } 4581ad6265SDimitry Andric }; 4681ad6265SDimitry Andric } // namespace ranges 4781ad6265SDimitry Andric 4806c3fb27SDimitry Andric #endif // _LIBCPP_STD_VER >= 20 4981ad6265SDimitry Andric 5081ad6265SDimitry Andric _LIBCPP_END_NAMESPACE_STD 5181ad6265SDimitry Andric 52*b3edf446SDimitry Andric _LIBCPP_POP_MACROS 53*b3edf446SDimitry Andric 5481ad6265SDimitry Andric #endif // _LIBCPP___ALGORITHM_IN_FUN_RESULT_H 55