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authorAlexander Smirnov <alex@ydb.tech>2024-11-20 11:14:58 +0000
committerAlexander Smirnov <alex@ydb.tech>2024-11-20 11:14:58 +0000
commit31773f157bf8164364649b5f470f52dece0a4317 (patch)
tree33d0f7eef45303ab68cf08ab381ce5e5e36c5240 /contrib/libs/cxxsupp/libcxx/include/__algorithm/pstl_count.h
parent2c7938962d8689e175574fc1e817c05049f27905 (diff)
parenteff600952d5dfe17942f38f510a8ac2b203bb3a5 (diff)
downloadydb-31773f157bf8164364649b5f470f52dece0a4317.tar.gz
Merge branch 'rightlib' into mergelibs-241120-1113
Diffstat (limited to 'contrib/libs/cxxsupp/libcxx/include/__algorithm/pstl_count.h')
-rw-r--r--contrib/libs/cxxsupp/libcxx/include/__algorithm/pstl_count.h43
1 files changed, 35 insertions, 8 deletions
diff --git a/contrib/libs/cxxsupp/libcxx/include/__algorithm/pstl_count.h b/contrib/libs/cxxsupp/libcxx/include/__algorithm/pstl_count.h
index cc1e824570..28806fca06 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__algorithm/pstl_count.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__algorithm/pstl_count.h
@@ -23,7 +23,7 @@
#include <__type_traits/is_execution_policy.h>
#include <__type_traits/remove_cvref.h>
#include <__utility/move.h>
-#include <__utility/terminate_on_exception.h>
+#include <optional>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
# pragma GCC system_header
@@ -41,13 +41,13 @@ template <class _ExecutionPolicy,
class _Predicate,
class _RawPolicy = __remove_cvref_t<_ExecutionPolicy>,
enable_if_t<is_execution_policy_v<_RawPolicy>, int> = 0>
-_LIBCPP_HIDE_FROM_ABI __iter_diff_t<_ForwardIterator>
-count_if(_ExecutionPolicy&& __policy, _ForwardIterator __first, _ForwardIterator __last, _Predicate __pred) {
+[[nodiscard]] _LIBCPP_HIDE_FROM_ABI optional<__iter_diff_t<_ForwardIterator>> __count_if(
+ _ExecutionPolicy&& __policy, _ForwardIterator&& __first, _ForwardIterator&& __last, _Predicate&& __pred) noexcept {
using __diff_t = __iter_diff_t<_ForwardIterator>;
return std::__pstl_frontend_dispatch(
_LIBCPP_PSTL_CUSTOMIZATION_POINT(__pstl_count_if, _RawPolicy),
- [&](_ForwardIterator __g_first, _ForwardIterator __g_last, _Predicate __g_pred) {
- return std::transform_reduce(
+ [&](_ForwardIterator __g_first, _ForwardIterator __g_last, _Predicate __g_pred) -> optional<__diff_t> {
+ return std::__transform_reduce(
__policy,
std::move(__g_first),
std::move(__g_last),
@@ -60,6 +60,19 @@ count_if(_ExecutionPolicy&& __policy, _ForwardIterator __first, _ForwardIterator
std::move(__pred));
}
+template <class _ExecutionPolicy,
+ class _ForwardIterator,
+ class _Predicate,
+ class _RawPolicy = __remove_cvref_t<_ExecutionPolicy>,
+ enable_if_t<is_execution_policy_v<_RawPolicy>, int> = 0>
+_LIBCPP_HIDE_FROM_ABI __iter_diff_t<_ForwardIterator>
+count_if(_ExecutionPolicy&& __policy, _ForwardIterator __first, _ForwardIterator __last, _Predicate __pred) {
+ auto __res = std::__count_if(__policy, std::move(__first), std::move(__last), std::move(__pred));
+ if (!__res)
+ std::__throw_bad_alloc();
+ return *std::move(__res);
+}
+
template <class>
void __pstl_count(); // declaration needed for the frontend dispatch below
@@ -68,11 +81,12 @@ template <class _ExecutionPolicy,
class _Tp,
class _RawPolicy = __remove_cvref_t<_ExecutionPolicy>,
enable_if_t<is_execution_policy_v<_RawPolicy>, int> = 0>
-_LIBCPP_HIDE_FROM_ABI __iter_diff_t<_ForwardIterator>
-count(_ExecutionPolicy&& __policy, _ForwardIterator __first, _ForwardIterator __last, const _Tp& __value) {
+[[nodiscard]] _LIBCPP_HIDE_FROM_ABI optional<__iter_diff_t<_ForwardIterator>>
+__count(_ExecutionPolicy&& __policy, _ForwardIterator __first, _ForwardIterator __last, const _Tp& __value) {
return std::__pstl_frontend_dispatch(
_LIBCPP_PSTL_CUSTOMIZATION_POINT(__pstl_count, _RawPolicy),
- [&](_ForwardIterator __g_first, _ForwardIterator __g_last, const _Tp& __g_value) {
+ [&](_ForwardIterator __g_first, _ForwardIterator __g_last, const _Tp& __g_value)
+ -> optional<__iter_diff_t<_ForwardIterator>> {
return std::count_if(__policy, __g_first, __g_last, [&](__iter_reference<_ForwardIterator> __v) {
return __v == __g_value;
});
@@ -82,6 +96,19 @@ count(_ExecutionPolicy&& __policy, _ForwardIterator __first, _ForwardIterator __
__value);
}
+template <class _ExecutionPolicy,
+ class _ForwardIterator,
+ class _Tp,
+ class _RawPolicy = __remove_cvref_t<_ExecutionPolicy>,
+ enable_if_t<is_execution_policy_v<_RawPolicy>, int> = 0>
+_LIBCPP_HIDE_FROM_ABI __iter_diff_t<_ForwardIterator>
+count(_ExecutionPolicy&& __policy, _ForwardIterator __first, _ForwardIterator __last, const _Tp& __value) {
+ auto __res = std::__count(__policy, std::move(__first), std::move(__last), __value);
+ if (!__res)
+ std::__throw_bad_alloc();
+ return *__res;
+}
+
_LIBCPP_END_NAMESPACE_STD
#endif // !defined(_LIBCPP_HAS_NO_INCOMPLETE_PSTL) && _LIBCPP_STD_VER >= 17