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-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #ifndef _LIBCPP___ALGORITHM_RANGES_REMOVE_COPY_IF_H 10 #define _LIBCPP___ALGORITHM_RANGES_REMOVE_COPY_IF_H 11 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_header 30 #endif 31 32 #if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_INCOMPLETE_RANGES) 33 34 _LIBCPP_BEGIN_NAMESPACE_STD 35 36 namespace ranges { 37 38 template <class _InIter, class _OutIter> 39 using remove_copy_if_result = in_out_result<_InIter, _OutIter>; 40 41 namespace __remove_copy_if { 42 43 struct __fn { 44 45 template <input_iterator _InIter, sentinel_for<_InIter> _Sent, weakly_incrementable _OutIter, 46 class _Proj = identity, indirect_unary_predicate<projected<_InIter, _Proj>> _Pred> 47 requires indirectly_copyable<_InIter, _OutIter> 48 _LIBCPP_HIDE_FROM_ABI constexpr 49 remove_copy_if_result<_InIter, _OutIter> 50 operator()(_InIter __first, _Sent __last, _OutIter __result, _Pred __pred, _Proj __proj = {}) const { 51 // TODO: implement 52 (void)__first; (void)__last; (void)__result; (void)__pred; (void)__proj; 53 return {}; 54 } 55 56 template <input_range _Range, weakly_incrementable _OutIter, class _Proj = identity, 57 indirect_unary_predicate<projected<iterator_t<_Range>, _Proj>> _Pred> 58 requires indirectly_copyable<iterator_t<_Range>, _OutIter> 59 _LIBCPP_HIDE_FROM_ABI constexpr 60 remove_copy_if_result<borrowed_iterator_t<_Range>, _OutIter> 61 operator()(_Range&& __range, _OutIter __result, _Pred __pred, _Proj __proj = {}) const { 62 // TODO: implement 63 (void)__range; (void)__result; (void)__pred; (void)__proj; 64 return {}; 65 } 66 67 }; 68 69 } // namespace __remove_copy_if 70 71 inline namespace __cpo { 72 inline constexpr auto remove_copy_if = __remove_copy_if::__fn{}; 73 } // namespace __cpo 74 } // namespace ranges 75 76 _LIBCPP_END_NAMESPACE_STD 77 78 #endif // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_INCOMPLETE_RANGES) 79 80 #endif // _LIBCPP___ALGORITHM_RANGES_REMOVE_COPY_IF_H 81