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1//===----------------------------------------------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9#ifndef _LIBCPP___ALGORITHM_RANGES_REPLACE_COPY_IF_H10#define _LIBCPP___ALGORITHM_RANGES_REPLACE_COPY_IF_H11 12#include <__algorithm/in_out_result.h>13#include <__config>14#include <__functional/identity.h>15#include <__functional/invoke.h>16#include <__iterator/concepts.h>17#include <__iterator/projected.h>18#include <__ranges/access.h>19#include <__ranges/concepts.h>20#include <__ranges/dangling.h>21#include <__utility/move.h>22 23#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)24# pragma GCC system_header25#endif26 27_LIBCPP_PUSH_MACROS28#include <__undef_macros>29 30#if _LIBCPP_STD_VER >= 2031 32_LIBCPP_BEGIN_NAMESPACE_STD33 34namespace ranges {35 36template <class _InIter, class _OutIter>37using replace_copy_if_result = in_out_result<_InIter, _OutIter>;38 39template <class _InIter, class _Sent, class _OutIter, class _Pred, class _Type, class _Proj>40_LIBCPP_HIDE_FROM_ABI constexpr replace_copy_if_result<_InIter, _OutIter> __replace_copy_if_impl(41 _InIter __first, _Sent __last, _OutIter __result, _Pred& __pred, const _Type& __new_value, _Proj& __proj) {42 while (__first != __last) {43 if (std::invoke(__pred, std::invoke(__proj, *__first)))44 *__result = __new_value;45 else46 *__result = *__first;47 48 ++__first;49 ++__result;50 }51 52 return {std::move(__first), std::move(__result)};53}54 55struct __replace_copy_if {56 template <input_iterator _InIter,57 sentinel_for<_InIter> _Sent,58 class _Type,59 output_iterator<const _Type&> _OutIter,60 class _Proj = identity,61 indirect_unary_predicate<projected<_InIter, _Proj>> _Pred>62 requires indirectly_copyable<_InIter, _OutIter>63 _LIBCPP_HIDE_FROM_ABI constexpr replace_copy_if_result<_InIter, _OutIter> operator()(64 _InIter __first, _Sent __last, _OutIter __result, _Pred __pred, const _Type& __new_value, _Proj __proj = {})65 const {66 return ranges::__replace_copy_if_impl(67 std::move(__first), std::move(__last), std::move(__result), __pred, __new_value, __proj);68 }69 70 template <input_range _Range,71 class _Type,72 output_iterator<const _Type&> _OutIter,73 class _Proj = identity,74 indirect_unary_predicate<projected<iterator_t<_Range>, _Proj>> _Pred>75 requires indirectly_copyable<iterator_t<_Range>, _OutIter>76 _LIBCPP_HIDE_FROM_ABI constexpr replace_copy_if_result<borrowed_iterator_t<_Range>, _OutIter>77 operator()(_Range&& __range, _OutIter __result, _Pred __pred, const _Type& __new_value, _Proj __proj = {}) const {78 return ranges::__replace_copy_if_impl(79 ranges::begin(__range), ranges::end(__range), std::move(__result), __pred, __new_value, __proj);80 }81};82 83inline namespace __cpo {84inline constexpr auto replace_copy_if = __replace_copy_if{};85} // namespace __cpo86} // namespace ranges87 88_LIBCPP_END_NAMESPACE_STD89 90#endif // _LIBCPP_STD_VER >= 2091 92_LIBCPP_POP_MACROS93 94#endif // _LIBCPP___ALGORITHM_RANGES_REPLACE_COPY_IF_H95