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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_H10#define _LIBCPP___ALGORITHM_RANGES_REMOVE_H11#include <__config>12 13#include <__algorithm/ranges_remove_if.h>14#include <__functional/identity.h>15#include <__functional/ranges_operations.h>16#include <__iterator/concepts.h>17#include <__iterator/permutable.h>18#include <__iterator/projected.h>19#include <__ranges/access.h>20#include <__ranges/concepts.h>21#include <__ranges/subrange.h>22#include <__utility/move.h>23 24#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)25# pragma GCC system_header26#endif27 28_LIBCPP_PUSH_MACROS29#include <__undef_macros>30 31#if _LIBCPP_STD_VER >= 2032 33_LIBCPP_BEGIN_NAMESPACE_STD34 35namespace ranges {36struct __remove {37 template <permutable _Iter, sentinel_for<_Iter> _Sent, class _Type, class _Proj = identity>38 requires indirect_binary_predicate<ranges::equal_to, projected<_Iter, _Proj>, const _Type*>39 [[nodiscard]] _LIBCPP_HIDE_FROM_ABI constexpr subrange<_Iter>40 operator()(_Iter __first, _Sent __last, const _Type& __value, _Proj __proj = {}) const {41 auto __pred = [&](auto&& __other) -> bool { return __value == __other; };42 return ranges::__remove_if_impl(std::move(__first), std::move(__last), __pred, __proj);43 }44 45 template <forward_range _Range, class _Type, class _Proj = identity>46 requires permutable<iterator_t<_Range>> &&47 indirect_binary_predicate<ranges::equal_to, projected<iterator_t<_Range>, _Proj>, const _Type*>48 [[nodiscard]] _LIBCPP_HIDE_FROM_ABI constexpr borrowed_subrange_t<_Range>49 operator()(_Range&& __range, const _Type& __value, _Proj __proj = {}) const {50 auto __pred = [&](auto&& __other) -> bool { return __value == __other; };51 return ranges::__remove_if_impl(ranges::begin(__range), ranges::end(__range), __pred, __proj);52 }53};54 55inline namespace __cpo {56inline constexpr auto remove = __remove{};57} // namespace __cpo58} // namespace ranges59 60_LIBCPP_END_NAMESPACE_STD61 62#endif // _LIBCPP_STD_VER >= 2063 64_LIBCPP_POP_MACROS65 66#endif // _LIBCPP___ALGORITHM_RANGES_REMOVE_H67