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authorAlexSm <alex@ydb.tech>2024-01-18 11:28:56 +0100
committerGitHub <noreply@github.com>2024-01-18 11:28:56 +0100
commit9d0a3761b3201e0d9db879a7adf91876ebdb0564 (patch)
tree541d11ac878c18efd7ebca81e35112aa0fef995b /contrib/libs/cxxsupp/libcxx/include/__algorithm/ranges_shuffle.h
parent404ef8886ecc9736bc58ade6da2fbd83b486a408 (diff)
downloadydb-9d0a3761b3201e0d9db879a7adf91876ebdb0564.tar.gz
Library import 8 (#1074)
* Library import 8 * Add contrib/libs/cxxsupp/libcxx/include/__verbose_abort
Diffstat (limited to 'contrib/libs/cxxsupp/libcxx/include/__algorithm/ranges_shuffle.h')
-rw-r--r--contrib/libs/cxxsupp/libcxx/include/__algorithm/ranges_shuffle.h71
1 files changed, 71 insertions, 0 deletions
diff --git a/contrib/libs/cxxsupp/libcxx/include/__algorithm/ranges_shuffle.h b/contrib/libs/cxxsupp/libcxx/include/__algorithm/ranges_shuffle.h
new file mode 100644
index 0000000000..9b7f81e489
--- /dev/null
+++ b/contrib/libs/cxxsupp/libcxx/include/__algorithm/ranges_shuffle.h
@@ -0,0 +1,71 @@
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef _LIBCPP___ALGORITHM_RANGES_SHUFFLE_H
+#define _LIBCPP___ALGORITHM_RANGES_SHUFFLE_H
+
+#include <__algorithm/iterator_operations.h>
+#include <__algorithm/shuffle.h>
+#include <__algorithm/uniform_random_bit_generator_adaptor.h>
+#include <__config>
+#include <__functional/invoke.h>
+#include <__functional/ranges_operations.h>
+#include <__iterator/concepts.h>
+#include <__iterator/iterator_traits.h>
+#include <__iterator/next.h>
+#include <__iterator/permutable.h>
+#include <__random/uniform_random_bit_generator.h>
+#include <__ranges/access.h>
+#include <__ranges/concepts.h>
+#include <__ranges/dangling.h>
+#include <__utility/forward.h>
+#include <__utility/move.h>
+#include <type_traits>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+# pragma GCC system_header
+#endif
+
+#if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_INCOMPLETE_RANGES)
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+namespace ranges {
+namespace __shuffle {
+
+struct __fn {
+
+ template <random_access_iterator _Iter, sentinel_for<_Iter> _Sent, class _Gen>
+ requires permutable<_Iter> && uniform_random_bit_generator<remove_reference_t<_Gen>>
+ _LIBCPP_HIDE_FROM_ABI
+ _Iter operator()(_Iter __first, _Sent __last, _Gen&& __gen) const {
+ _ClassicGenAdaptor<_Gen> __adapted_gen(__gen);
+ return std::__shuffle<_RangeAlgPolicy>(std::move(__first), std::move(__last), __adapted_gen);
+ }
+
+ template<random_access_range _Range, class _Gen>
+ requires permutable<iterator_t<_Range>> && uniform_random_bit_generator<remove_reference_t<_Gen>>
+ _LIBCPP_HIDE_FROM_ABI
+ borrowed_iterator_t<_Range> operator()(_Range&& __range, _Gen&& __gen) const {
+ return (*this)(ranges::begin(__range), ranges::end(__range), std::forward<_Gen>(__gen));
+ }
+
+};
+
+} // namespace __shuffle
+
+inline namespace __cpo {
+ inline constexpr auto shuffle = __shuffle::__fn{};
+} // namespace __cpo
+} // namespace ranges
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_INCOMPLETE_RANGES)
+
+#endif // _LIBCPP___ALGORITHM_RANGES_SHUFFLE_H