mirror of
https://github.com/topjohnwu/libcxx.git
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65 lines
2.3 KiB
C++
65 lines
2.3 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef _LIBCPP___ALGORITHM_RANGES_REMOVE_H
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#define _LIBCPP___ALGORITHM_RANGES_REMOVE_H
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#include <__config>
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#include <__algorithm/ranges_remove_if.h>
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#include <__functional/identity.h>
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#include <__functional/ranges_operations.h>
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#include <__iterator/concepts.h>
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#include <__iterator/permutable.h>
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#include <__iterator/projected.h>
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#include <__ranges/access.h>
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#include <__ranges/concepts.h>
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#include <__ranges/subrange.h>
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#include <__utility/move.h>
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#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
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# pragma GCC system_header
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#endif
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#if _LIBCPP_STD_VER > 17
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_LIBCPP_BEGIN_NAMESPACE_STD
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namespace ranges {
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namespace __remove {
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struct __fn {
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template <permutable _Iter, sentinel_for<_Iter> _Sent, class _Type, class _Proj = identity>
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requires indirect_binary_predicate<ranges::equal_to, projected<_Iter, _Proj>, const _Type*>
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_LIBCPP_NODISCARD_EXT _LIBCPP_HIDE_FROM_ABI constexpr
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subrange<_Iter> operator()(_Iter __first, _Sent __last, const _Type& __value, _Proj __proj = {}) const {
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auto __pred = [&](auto&& __other) { return __value == __other; };
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return ranges::__remove_if_impl(std::move(__first), std::move(__last), __pred, __proj);
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}
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template <forward_range _Range, class _Type, class _Proj = identity>
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requires permutable<iterator_t<_Range>>
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&& indirect_binary_predicate<ranges::equal_to, projected<iterator_t<_Range>, _Proj>, const _Type*>
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_LIBCPP_NODISCARD_EXT _LIBCPP_HIDE_FROM_ABI constexpr
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borrowed_subrange_t<_Range> operator()(_Range&& __range, const _Type& __value, _Proj __proj = {}) const {
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auto __pred = [&](auto&& __other) { return __value == __other; };
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return ranges::__remove_if_impl(ranges::begin(__range), ranges::end(__range), __pred, __proj);
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}
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};
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} // namespace __remove
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inline namespace __cpo {
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inline constexpr auto remove = __remove::__fn{};
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} // namespace __cpo
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} // namespace ranges
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_LIBCPP_END_NAMESPACE_STD
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#endif // _LIBCPP_STD_VER > 17
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#endif // _LIBCPP___ALGORITHM_RANGES_REMOVE_H
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