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_H 10#define _LIBCPP___ALGORITHM_RANGES_REMOVE_COPY_H 11 12#include <__algorithm/in_out_result.h> 13#include <__algorithm/ranges_remove_copy_if.h> 14#include <__config> 15#include <__functional/identity.h> 16#include <__functional/invoke.h> 17#include <__functional/ranges_operations.h> 18#include <__iterator/concepts.h> 19#include <__iterator/projected.h> 20#include <__ranges/access.h> 21#include <__ranges/concepts.h> 22#include <__ranges/dangling.h> 23#include <__utility/move.h> 24 25#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 26# pragma GCC system_header 27#endif 28 29#if _LIBCPP_STD_VER > 17 30 31_LIBCPP_BEGIN_NAMESPACE_STD 32 33namespace ranges { 34 35template <class _InIter, class _OutIter> 36using remove_copy_result = in_out_result<_InIter, _OutIter>; 37 38namespace __remove_copy { 39 40 struct __fn { 41 template <input_iterator _InIter, 42 sentinel_for<_InIter> _Sent, 43 weakly_incrementable _OutIter, 44 class _Type, 45 class _Proj = identity> 46 requires indirectly_copyable<_InIter, _OutIter> && 47 indirect_binary_predicate<ranges::equal_to, projected<_InIter, _Proj>, const _Type*> 48 _LIBCPP_HIDE_FROM_ABI constexpr remove_copy_result<_InIter, _OutIter> 49 operator()(_InIter __first, _Sent __last, _OutIter __result, const _Type& __value, _Proj __proj = {}) const { 50 auto __pred = [&](auto&& __val) { return __value == __val; }; 51 return ranges::__remove_copy_if_impl(std::move(__first), std::move(__last), std::move(__result), __pred, __proj); 52 } 53 54 template <input_range _Range, weakly_incrementable _OutIter, class _Type, class _Proj = identity> 55 requires indirectly_copyable<iterator_t<_Range>, _OutIter> && 56 indirect_binary_predicate<ranges::equal_to, projected<iterator_t<_Range>, _Proj>, const _Type*> 57 _LIBCPP_HIDE_FROM_ABI constexpr remove_copy_result<borrowed_iterator_t<_Range>, _OutIter> 58 operator()(_Range&& __range, _OutIter __result, const _Type& __value, _Proj __proj = {}) const { 59 auto __pred = [&](auto&& __val) { return __value == __val; }; 60 return ranges::__remove_copy_if_impl( 61 ranges::begin(__range), ranges::end(__range), std::move(__result), __pred, __proj); 62 } 63 }; 64 65} // namespace __remove_copy 66 67inline namespace __cpo { 68 inline constexpr auto remove_copy = __remove_copy::__fn{}; 69} // namespace __cpo 70} // namespace ranges 71 72_LIBCPP_END_NAMESPACE_STD 73 74#endif // _LIBCPP_STD_VER > 17 75 76#endif // _LIBCPP___ALGORITHM_RANGES_REMOVE_COPY_H 77