1*4bdff4beSrobert // -*- C++ -*- 2*4bdff4beSrobert //===----------------------------------------------------------------------===// 3*4bdff4beSrobert // 4*4bdff4beSrobert // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 5*4bdff4beSrobert // See https://llvm.org/LICENSE.txt for license information. 6*4bdff4beSrobert // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 7*4bdff4beSrobert // 8*4bdff4beSrobert //===----------------------------------------------------------------------===// 9*4bdff4beSrobert 10*4bdff4beSrobert #ifndef _LIBCPP___ALGORITHM_IN_FUN_RESULT_H 11*4bdff4beSrobert #define _LIBCPP___ALGORITHM_IN_FUN_RESULT_H 12*4bdff4beSrobert 13*4bdff4beSrobert #include <__concepts/convertible_to.h> 14*4bdff4beSrobert #include <__config> 15*4bdff4beSrobert #include <__utility/move.h> 16*4bdff4beSrobert 17*4bdff4beSrobert #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 18*4bdff4beSrobert # pragma GCC system_header 19*4bdff4beSrobert #endif 20*4bdff4beSrobert 21*4bdff4beSrobert _LIBCPP_BEGIN_NAMESPACE_STD 22*4bdff4beSrobert 23*4bdff4beSrobert #if _LIBCPP_STD_VER > 17 24*4bdff4beSrobert 25*4bdff4beSrobert namespace ranges { 26*4bdff4beSrobert template <class _InIter1, class _Func1> 27*4bdff4beSrobert struct in_fun_result { 28*4bdff4beSrobert _LIBCPP_NO_UNIQUE_ADDRESS _InIter1 in; 29*4bdff4beSrobert _LIBCPP_NO_UNIQUE_ADDRESS _Func1 fun; 30*4bdff4beSrobert 31*4bdff4beSrobert template <class _InIter2, class _Func2> 32*4bdff4beSrobert requires convertible_to<const _InIter1&, _InIter2> && convertible_to<const _Func1&, _Func2> in_fun_resultin_fun_result33*4bdff4beSrobert _LIBCPP_HIDE_FROM_ABI constexpr operator in_fun_result<_InIter2, _Func2>() const & { 34*4bdff4beSrobert return {in, fun}; 35*4bdff4beSrobert } 36*4bdff4beSrobert 37*4bdff4beSrobert template <class _InIter2, class _Func2> 38*4bdff4beSrobert requires convertible_to<_InIter1, _InIter2> && convertible_to<_Func1, _Func2> in_fun_resultin_fun_result39*4bdff4beSrobert _LIBCPP_HIDE_FROM_ABI constexpr operator in_fun_result<_InIter2, _Func2>() && { 40*4bdff4beSrobert return {std::move(in), std::move(fun)}; 41*4bdff4beSrobert } 42*4bdff4beSrobert }; 43*4bdff4beSrobert } // namespace ranges 44*4bdff4beSrobert 45*4bdff4beSrobert #endif // _LIBCPP_STD_VER > 17 46*4bdff4beSrobert 47*4bdff4beSrobert _LIBCPP_END_NAMESPACE_STD 48*4bdff4beSrobert 49*4bdff4beSrobert #endif // _LIBCPP___ALGORITHM_IN_FUN_RESULT_H 50