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Diffstat (limited to 'libcxx/include/__algorithm/ranges_partition_copy.h')
-rw-r--r-- | libcxx/include/__algorithm/ranges_partition_copy.h | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/libcxx/include/__algorithm/ranges_partition_copy.h b/libcxx/include/__algorithm/ranges_partition_copy.h new file mode 100644 index 000000000000..f55089b94ea5 --- /dev/null +++ b/libcxx/include/__algorithm/ranges_partition_copy.h @@ -0,0 +1,82 @@ +//===----------------------------------------------------------------------===// +// +// 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_PARTITION_COPY_H +#define _LIBCPP___ALGORITHM_RANGES_PARTITION_COPY_H + +#include <__algorithm/in_out_out_result.h> +#include <__algorithm/make_projected.h> +#include <__algorithm/partition_copy.h> +#include <__config> +#include <__functional/identity.h> +#include <__functional/invoke.h> +#include <__functional/ranges_operations.h> +#include <__iterator/concepts.h> +#include <__iterator/iterator_traits.h> +#include <__iterator/projected.h> +#include <__ranges/access.h> +#include <__ranges/concepts.h> +#include <__ranges/dangling.h> +#include <__utility/forward.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 _OutIter1, class _OutIter2> +using partition_copy_result = in_out_out_result<_InIter, _OutIter1, _OutIter2>; + +namespace __partition_copy { + +struct __fn { + + template <input_iterator _InIter, sentinel_for<_InIter> _Sent, + weakly_incrementable _OutIter1, weakly_incrementable _OutIter2, + class _Proj = identity, indirect_unary_predicate<projected<_InIter, _Proj>> _Pred> + requires indirectly_copyable<_InIter, _OutIter1> && indirectly_copyable<_InIter, _OutIter2> + _LIBCPP_HIDE_FROM_ABI constexpr + partition_copy_result<_InIter, _OutIter1, _OutIter2> + operator()(_InIter __first, _Sent __last, _OutIter1 __out_true, _OutIter2 __out_false, + _Pred __pred, _Proj __proj = {}) const { + // TODO: implement + (void)__first; (void)__last; (void)__out_true; (void)__out_false; (void)__pred; (void)__proj; + return {}; + } + + template <input_range _Range, weakly_incrementable _OutIter1, weakly_incrementable _OutIter2, + class _Proj = identity, indirect_unary_predicate<projected<iterator_t<_Range>, _Proj>> _Pred> + requires indirectly_copyable<iterator_t<_Range>, _OutIter1> && indirectly_copyable<iterator_t<_Range>, _OutIter2> + _LIBCPP_HIDE_FROM_ABI constexpr + partition_copy_result<borrowed_iterator_t<_Range>, _OutIter1, _OutIter2> + operator()(_Range&& __range, _OutIter1 __out_true, _OutIter2 __out_false, _Pred __pred, _Proj __proj = {}) const { + // TODO: implement + (void)__range; (void)__out_true; (void)__out_false; (void)__pred; (void)__proj; + return {}; + } + +}; + +} // namespace __partition_copy + +inline namespace __cpo { + inline constexpr auto partition_copy = __partition_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_PARTITION_COPY_H |