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_IS_HEAP_H 10 #define _LIBCPP___ALGORITHM_RANGES_IS_HEAP_H 11 12 #include <__algorithm/is_heap.h> 13 #include <__algorithm/make_projected.h> 14 #include <__config> 15 #include <__functional/identity.h> 16 #include <__functional/invoke.h> 17 #include <__functional/ranges_operations.h> 18 #include <__iterator/concepts.h> 19 #include <__iterator/iterator_traits.h> 20 #include <__iterator/projected.h> 21 #include <__ranges/access.h> 22 #include <__ranges/concepts.h> 23 #include <__utility/forward.h> 24 #include <__utility/move.h> 25 26 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 27 # pragma GCC system_header 28 #endif 29 30 #if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_INCOMPLETE_RANGES) 31 32 _LIBCPP_BEGIN_NAMESPACE_STD 33 34 namespace ranges { 35 namespace __is_heap { 36 37 struct __fn { 38 39 template <random_access_iterator _Iter, sentinel_for<_Iter> _Sent, class _Proj = identity, 40 indirect_strict_weak_order<projected<_Iter, _Proj>> _Comp = ranges::less> 41 _LIBCPP_HIDE_FROM_ABI constexpr 42 bool operator()(_Iter __first, _Sent __last, _Comp __comp = {}, _Proj __proj = {}) const { 43 // TODO: implement 44 (void)__first; (void)__last; (void)__comp; (void)__proj; 45 return {}; 46 } 47 48 template <random_access_range _Range, class _Proj = identity, 49 indirect_strict_weak_order<projected<iterator_t<_Range>, _Proj>> _Comp = ranges::less> 50 _LIBCPP_HIDE_FROM_ABI constexpr 51 bool operator()(_Range&& __range, _Comp __comp = {}, _Proj __proj = {}) const { 52 // TODO: implement 53 (void)__range; (void)__comp; (void)__proj; 54 return {}; 55 } 56 }; 57 58 } // namespace __is_heap 59 60 inline namespace __cpo { 61 inline constexpr auto is_heap = __is_heap::__fn{}; 62 } // namespace __cpo 63 } // namespace ranges 64 65 _LIBCPP_END_NAMESPACE_STD 66 67 #endif // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_INCOMPLETE_RANGES) 68 69 #endif // _LIBCPP___ALGORITHM_RANGES_IS_HEAP_H 70