diff options
Diffstat (limited to 'libcxx/include/__algorithm/ranges_is_heap.h')
| -rw-r--r-- | libcxx/include/__algorithm/ranges_is_heap.h | 23 |
1 files changed, 14 insertions, 9 deletions
diff --git a/libcxx/include/__algorithm/ranges_is_heap.h b/libcxx/include/__algorithm/ranges_is_heap.h index 00105189fed7..a3e86d1a8d72 100644 --- a/libcxx/include/__algorithm/ranges_is_heap.h +++ b/libcxx/include/__algorithm/ranges_is_heap.h @@ -9,18 +9,17 @@ #ifndef _LIBCPP___ALGORITHM_RANGES_IS_HEAP_H #define _LIBCPP___ALGORITHM_RANGES_IS_HEAP_H -#include <__algorithm/is_heap.h> +#include <__algorithm/is_heap_until.h> #include <__algorithm/make_projected.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/next.h> #include <__iterator/projected.h> #include <__ranges/access.h> #include <__ranges/concepts.h> -#include <__utility/forward.h> #include <__utility/move.h> #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) @@ -36,22 +35,28 @@ namespace __is_heap { struct __fn { + template <class _Iter, class _Sent, class _Proj, class _Comp> + _LIBCPP_HIDE_FROM_ABI constexpr + static bool __is_heap_fn_impl(_Iter __first, _Sent __last, _Comp& __comp, _Proj& __proj) { + auto __last_iter = ranges::next(__first, __last); + auto&& __projected_comp = ranges::__make_projected_comp(__comp, __proj); + + auto __result = std::__is_heap_until(std::move(__first), std::move(__last_iter), __projected_comp); + return __result == __last; + } + template <random_access_iterator _Iter, sentinel_for<_Iter> _Sent, class _Proj = identity, indirect_strict_weak_order<projected<_Iter, _Proj>> _Comp = ranges::less> _LIBCPP_HIDE_FROM_ABI constexpr bool operator()(_Iter __first, _Sent __last, _Comp __comp = {}, _Proj __proj = {}) const { - // TODO: implement - (void)__first; (void)__last; (void)__comp; (void)__proj; - return {}; + return __is_heap_fn_impl(std::move(__first), std::move(__last), __comp, __proj); } template <random_access_range _Range, class _Proj = identity, indirect_strict_weak_order<projected<iterator_t<_Range>, _Proj>> _Comp = ranges::less> _LIBCPP_HIDE_FROM_ABI constexpr bool operator()(_Range&& __range, _Comp __comp = {}, _Proj __proj = {}) const { - // TODO: implement - (void)__range; (void)__comp; (void)__proj; - return {}; + return __is_heap_fn_impl(ranges::begin(__range), ranges::end(__range), __comp, __proj); } }; |