1*4bdff4beSrobert //===----------------------------------------------------------------------===// 2*4bdff4beSrobert // 3*4bdff4beSrobert // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4*4bdff4beSrobert // See https://llvm.org/LICENSE.txt for license information. 5*4bdff4beSrobert // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6*4bdff4beSrobert // 7*4bdff4beSrobert //===----------------------------------------------------------------------===// 8*4bdff4beSrobert 9*4bdff4beSrobert #ifndef _LIBCPP___ALGORITHM_RANGES_UNIQUE_H 10*4bdff4beSrobert #define _LIBCPP___ALGORITHM_RANGES_UNIQUE_H 11*4bdff4beSrobert 12*4bdff4beSrobert #include <__algorithm/iterator_operations.h> 13*4bdff4beSrobert #include <__algorithm/make_projected.h> 14*4bdff4beSrobert #include <__algorithm/unique.h> 15*4bdff4beSrobert #include <__config> 16*4bdff4beSrobert #include <__functional/identity.h> 17*4bdff4beSrobert #include <__functional/invoke.h> 18*4bdff4beSrobert #include <__functional/ranges_operations.h> 19*4bdff4beSrobert #include <__iterator/concepts.h> 20*4bdff4beSrobert #include <__iterator/iterator_traits.h> 21*4bdff4beSrobert #include <__iterator/permutable.h> 22*4bdff4beSrobert #include <__iterator/projected.h> 23*4bdff4beSrobert #include <__ranges/access.h> 24*4bdff4beSrobert #include <__ranges/concepts.h> 25*4bdff4beSrobert #include <__ranges/dangling.h> 26*4bdff4beSrobert #include <__ranges/subrange.h> 27*4bdff4beSrobert #include <__utility/forward.h> 28*4bdff4beSrobert #include <__utility/move.h> 29*4bdff4beSrobert #include <__utility/pair.h> 30*4bdff4beSrobert 31*4bdff4beSrobert #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 32*4bdff4beSrobert # pragma GCC system_header 33*4bdff4beSrobert #endif 34*4bdff4beSrobert 35*4bdff4beSrobert #if _LIBCPP_STD_VER > 17 36*4bdff4beSrobert 37*4bdff4beSrobert _LIBCPP_BEGIN_NAMESPACE_STD 38*4bdff4beSrobert 39*4bdff4beSrobert namespace ranges { 40*4bdff4beSrobert namespace __unique { 41*4bdff4beSrobert 42*4bdff4beSrobert struct __fn { 43*4bdff4beSrobert template < 44*4bdff4beSrobert permutable _Iter, 45*4bdff4beSrobert sentinel_for<_Iter> _Sent, 46*4bdff4beSrobert class _Proj = identity, 47*4bdff4beSrobert indirect_equivalence_relation<projected<_Iter, _Proj>> _Comp = ranges::equal_to> 48*4bdff4beSrobert _LIBCPP_NODISCARD_EXT _LIBCPP_HIDE_FROM_ABI constexpr subrange<_Iter> operator__fn49*4bdff4beSrobert operator()(_Iter __first, _Sent __last, _Comp __comp = {}, _Proj __proj = {}) const { 50*4bdff4beSrobert auto __ret = std::__unique<_RangeAlgPolicy>( 51*4bdff4beSrobert std::move(__first), std::move(__last), std::__make_projected(__comp, __proj)); 52*4bdff4beSrobert return {std::move(__ret.first), std::move(__ret.second)}; 53*4bdff4beSrobert } 54*4bdff4beSrobert 55*4bdff4beSrobert template < 56*4bdff4beSrobert forward_range _Range, 57*4bdff4beSrobert class _Proj = identity, 58*4bdff4beSrobert indirect_equivalence_relation<projected<iterator_t<_Range>, _Proj>> _Comp = ranges::equal_to> 59*4bdff4beSrobert requires permutable<iterator_t<_Range>> 60*4bdff4beSrobert _LIBCPP_NODISCARD_EXT _LIBCPP_HIDE_FROM_ABI constexpr borrowed_subrange_t<_Range> operator__fn61*4bdff4beSrobert operator()(_Range&& __range, _Comp __comp = {}, _Proj __proj = {}) const { 62*4bdff4beSrobert auto __ret = std::__unique<_RangeAlgPolicy>( 63*4bdff4beSrobert ranges::begin(__range), ranges::end(__range), std::__make_projected(__comp, __proj)); 64*4bdff4beSrobert return {std::move(__ret.first), std::move(__ret.second)}; 65*4bdff4beSrobert } 66*4bdff4beSrobert }; 67*4bdff4beSrobert 68*4bdff4beSrobert } // namespace __unique 69*4bdff4beSrobert 70*4bdff4beSrobert inline namespace __cpo { 71*4bdff4beSrobert inline constexpr auto unique = __unique::__fn{}; 72*4bdff4beSrobert } // namespace __cpo 73*4bdff4beSrobert } // namespace ranges 74*4bdff4beSrobert 75*4bdff4beSrobert _LIBCPP_END_NAMESPACE_STD 76*4bdff4beSrobert 77*4bdff4beSrobert #endif // _LIBCPP_STD_VER > 17 78*4bdff4beSrobert 79*4bdff4beSrobert #endif // _LIBCPP___ALGORITHM_RANGES_UNIQUE_H 80