| //===----------------------------------------------------------------------===// |
| // |
| // 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_UNIQUE_H |
| #define _LIBCPP___ALGORITHM_RANGES_UNIQUE_H |
| |
| #include <__algorithm/iterator_operations.h> |
| #include <__algorithm/make_projected.h> |
| #include <__algorithm/unique.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/permutable.h> |
| #include <__iterator/projected.h> |
| #include <__ranges/access.h> |
| #include <__ranges/concepts.h> |
| #include <__ranges/dangling.h> |
| #include <__ranges/subrange.h> |
| #include <__utility/forward.h> |
| #include <__utility/move.h> |
| #include <__utility/pair.h> |
| |
| #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
| # pragma GCC system_header |
| #endif |
| |
| #if _LIBCPP_STD_VER > 17 |
| |
| _LIBCPP_BEGIN_NAMESPACE_STD |
| |
| namespace ranges { |
| namespace __unique { |
| |
| struct __fn { |
| template < |
| permutable _Iter, |
| sentinel_for<_Iter> _Sent, |
| class _Proj = identity, |
| indirect_equivalence_relation<projected<_Iter, _Proj>> _Comp = ranges::equal_to> |
| _LIBCPP_HIDE_FROM_ABI constexpr subrange<_Iter> |
| operator()(_Iter __first, _Sent __last, _Comp __comp = {}, _Proj __proj = {}) const { |
| auto __ret = std::__unique<_RangeAlgPolicy>( |
| std::move(__first), std::move(__last), std::__make_projected(__comp, __proj)); |
| return {std::move(__ret.first), std::move(__ret.second)}; |
| } |
| |
| template < |
| forward_range _Range, |
| class _Proj = identity, |
| indirect_equivalence_relation<projected<iterator_t<_Range>, _Proj>> _Comp = ranges::equal_to> |
| requires permutable<iterator_t<_Range>> |
| _LIBCPP_HIDE_FROM_ABI constexpr borrowed_subrange_t<_Range> |
| operator()(_Range&& __range, _Comp __comp = {}, _Proj __proj = {}) const { |
| auto __ret = std::__unique<_RangeAlgPolicy>( |
| ranges::begin(__range), ranges::end(__range), std::__make_projected(__comp, __proj)); |
| return {std::move(__ret.first), std::move(__ret.second)}; |
| } |
| }; |
| |
| } // namespace __unique |
| |
| inline namespace __cpo { |
| inline constexpr auto unique = __unique::__fn{}; |
| } // namespace __cpo |
| } // namespace ranges |
| |
| _LIBCPP_END_NAMESPACE_STD |
| |
| #endif // _LIBCPP_STD_VER > 17 |
| |
| #endif // _LIBCPP___ALGORITHM_RANGES_UNIQUE_H |
