1//===----------------------------------------------------------------------===// 2// 3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4// See https://llvm.org/LICENSE.txt for license information. 5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6// 7//===----------------------------------------------------------------------===// 8 9#ifndef _LIBCPP___ALGORITHM_RANGES_SORT_H 10#define _LIBCPP___ALGORITHM_RANGES_SORT_H 11 12#include <__algorithm/iterator_operations.h> 13#include <__algorithm/make_projected.h> 14#include <__algorithm/sort.h> 15#include <__config> 16#include <__functional/identity.h> 17#include <__functional/invoke.h> 18#include <__functional/ranges_operations.h> 19#include <__iterator/concepts.h> 20#include <__iterator/iterator_traits.h> 21#include <__iterator/next.h> 22#include <__iterator/projected.h> 23#include <__iterator/sortable.h> 24#include <__ranges/access.h> 25#include <__ranges/concepts.h> 26#include <__ranges/dangling.h> 27#include <__utility/forward.h> 28#include <__utility/move.h> 29 30#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 31# pragma GCC system_header 32#endif 33 34_LIBCPP_PUSH_MACROS 35#include <__undef_macros> 36 37#if _LIBCPP_STD_VER >= 20 38 39_LIBCPP_BEGIN_NAMESPACE_STD 40 41namespace ranges { 42namespace __sort { 43 44struct __fn { 45 template <class _Iter, class _Sent, class _Comp, class _Proj> 46 _LIBCPP_HIDE_FROM_ABI constexpr static _Iter 47 __sort_fn_impl(_Iter __first, _Sent __last, _Comp& __comp, _Proj& __proj) { 48 auto __last_iter = ranges::next(__first, __last); 49 50 auto&& __projected_comp = std::__make_projected(__comp, __proj); 51 std::__sort_impl<_RangeAlgPolicy>(std::move(__first), __last_iter, __projected_comp); 52 53 return __last_iter; 54 } 55 56 template <random_access_iterator _Iter, sentinel_for<_Iter> _Sent, class _Comp = ranges::less, class _Proj = identity> 57 requires sortable<_Iter, _Comp, _Proj> 58 _LIBCPP_HIDE_FROM_ABI constexpr _Iter 59 operator()(_Iter __first, _Sent __last, _Comp __comp = {}, _Proj __proj = {}) const { 60 return __sort_fn_impl(std::move(__first), std::move(__last), __comp, __proj); 61 } 62 63 template <random_access_range _Range, class _Comp = ranges::less, class _Proj = identity> 64 requires sortable<iterator_t<_Range>, _Comp, _Proj> 65 _LIBCPP_HIDE_FROM_ABI constexpr borrowed_iterator_t<_Range> 66 operator()(_Range&& __r, _Comp __comp = {}, _Proj __proj = {}) const { 67 return __sort_fn_impl(ranges::begin(__r), ranges::end(__r), __comp, __proj); 68 } 69}; 70 71} // namespace __sort 72 73inline namespace __cpo { 74inline constexpr auto sort = __sort::__fn{}; 75} // namespace __cpo 76} // namespace ranges 77 78_LIBCPP_END_NAMESPACE_STD 79 80#endif // _LIBCPP_STD_VER >= 20 81 82_LIBCPP_POP_MACROS 83 84#endif // _LIBCPP___ALGORITHM_RANGES_SORT_H 85