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//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP___ALGORITHM_RANGES_REMOVE_COPY_H
#define _LIBCPP___ALGORITHM_RANGES_REMOVE_COPY_H
#include <__algorithm/in_out_result.h>
#include <__algorithm/ranges_remove_copy_if.h>
#include <__config>
#include <__functional/identity.h>
#include <__functional/invoke.h>
#include <__functional/ranges_operations.h>
#include <__iterator/concepts.h>
#include <__iterator/projected.h>
#include <__ranges/access.h>
#include <__ranges/concepts.h>
#include <__ranges/dangling.h>
#include <__utility/move.h>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
# pragma GCC system_header
#endif
#if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_INCOMPLETE_RANGES)
_LIBCPP_BEGIN_NAMESPACE_STD
namespace ranges {
template <class _InIter, class _OutIter>
using remove_copy_result = in_out_result<_InIter, _OutIter>;
namespace __remove_copy {
struct __fn {
template <input_iterator _InIter,
sentinel_for<_InIter> _Sent,
weakly_incrementable _OutIter,
class _Type,
class _Proj = identity>
requires indirectly_copyable<_InIter, _OutIter> &&
indirect_binary_predicate<ranges::equal_to, projected<_InIter, _Proj>, const _Type*>
_LIBCPP_HIDE_FROM_ABI constexpr remove_copy_result<_InIter, _OutIter>
operator()(_InIter __first, _Sent __last, _OutIter __result, const _Type& __value, _Proj __proj = {}) const {
auto __pred = [&](auto&& __val) { return __value == __val; };
return ranges::__remove_copy_if_impl(std::move(__first), std::move(__last), std::move(__result), __pred, __proj);
}
template <input_range _Range, weakly_incrementable _OutIter, class _Type, class _Proj = identity>
requires indirectly_copyable<iterator_t<_Range>, _OutIter> &&
indirect_binary_predicate<ranges::equal_to, projected<iterator_t<_Range>, _Proj>, const _Type*>
_LIBCPP_HIDE_FROM_ABI constexpr remove_copy_result<borrowed_iterator_t<_Range>, _OutIter>
operator()(_Range&& __range, _OutIter __result, const _Type& __value, _Proj __proj = {}) const {
auto __pred = [&](auto&& __val) { return __value == __val; };
return ranges::__remove_copy_if_impl(
ranges::begin(__range), ranges::end(__range), std::move(__result), __pred, __proj);
}
};
} // namespace __remove_copy
inline namespace __cpo {
inline constexpr auto remove_copy = __remove_copy::__fn{};
} // namespace __cpo
} // namespace ranges
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_INCOMPLETE_RANGES)
#endif // _LIBCPP___ALGORITHM_RANGES_REMOVE_COPY_H
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