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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_REMOVE_COPY_IF_H10#define _LIBCPP___ALGORITHM_RANGES_REMOVE_COPY_IF_H11 12#include <__algorithm/in_out_result.h>13#include <__algorithm/make_projected.h>14#include <__algorithm/remove_copy_if.h>15#include <__config>16#include <__functional/identity.h>17#include <__functional/invoke.h>18#include <__functional/ranges_operations.h>19#include <__iterator/concepts.h>20#include <__iterator/iterator_traits.h>21#include <__iterator/projected.h>22#include <__ranges/access.h>23#include <__ranges/concepts.h>24#include <__ranges/dangling.h>25#include <__utility/forward.h>26#include <__utility/move.h>27 28#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)29# pragma GCC system_header30#endif31 32_LIBCPP_PUSH_MACROS33#include <__undef_macros>34 35#if _LIBCPP_STD_VER >= 2036 37_LIBCPP_BEGIN_NAMESPACE_STD38 39namespace ranges {40 41template <class _InIter, class _OutIter>42using remove_copy_if_result = in_out_result<_InIter, _OutIter>;43 44template <class _InIter, class _Sent, class _OutIter, class _Proj, class _Pred>45_LIBCPP_HIDE_FROM_ABI constexpr in_out_result<_InIter, _OutIter>46__remove_copy_if_impl(_InIter __first, _Sent __last, _OutIter __result, _Pred& __pred, _Proj& __proj) {47 for (; __first != __last; ++__first) {48 if (!std::invoke(__pred, std::invoke(__proj, *__first))) {49 *__result = *__first;50 ++__result;51 }52 }53 return {std::move(__first), std::move(__result)};54}55 56struct __remove_copy_if {57 template <input_iterator _InIter,58 sentinel_for<_InIter> _Sent,59 weakly_incrementable _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 remove_copy_if_result<_InIter, _OutIter>64 operator()(_InIter __first, _Sent __last, _OutIter __result, _Pred __pred, _Proj __proj = {}) const {65 return ranges::__remove_copy_if_impl(std::move(__first), std::move(__last), std::move(__result), __pred, __proj);66 }67 68 template <input_range _Range,69 weakly_incrementable _OutIter,70 class _Proj = identity,71 indirect_unary_predicate<projected<iterator_t<_Range>, _Proj>> _Pred>72 requires indirectly_copyable<iterator_t<_Range>, _OutIter>73 _LIBCPP_HIDE_FROM_ABI constexpr remove_copy_if_result<borrowed_iterator_t<_Range>, _OutIter>74 operator()(_Range&& __range, _OutIter __result, _Pred __pred, _Proj __proj = {}) const {75 return ranges::__remove_copy_if_impl(76 ranges::begin(__range), ranges::end(__range), std::move(__result), __pred, __proj);77 }78};79 80inline namespace __cpo {81inline constexpr auto remove_copy_if = __remove_copy_if{};82} // namespace __cpo83} // namespace ranges84 85_LIBCPP_END_NAMESPACE_STD86 87#endif // _LIBCPP_STD_VER >= 2088 89_LIBCPP_POP_MACROS90 91#endif // _LIBCPP___ALGORITHM_RANGES_REMOVE_COPY_IF_H92