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author | AlexSm <alex@ydb.tech> | 2024-01-18 11:28:56 +0100 |
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committer | GitHub <noreply@github.com> | 2024-01-18 11:28:56 +0100 |
commit | 9d0a3761b3201e0d9db879a7adf91876ebdb0564 (patch) | |
tree | 541d11ac878c18efd7ebca81e35112aa0fef995b /contrib/libs/cxxsupp/libcxx/include/__algorithm/ranges_shuffle.h | |
parent | 404ef8886ecc9736bc58ade6da2fbd83b486a408 (diff) | |
download | ydb-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.h | 71 |
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 |