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Upgrade to 2022-era LLVM LIBCXX

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Justine Tunney 2024-05-27 02:12:27 -07:00
parent 2f4ca71f26
commit 8e68384e15
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2078 changed files with 165657 additions and 65010 deletions
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74
third_party/libcxx/__algorithm/ranges_sample.h vendored Normal file
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//===----------------------------------------------------------------------===//
//
// 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_SAMPLE_H
#define _LIBCPP___ALGORITHM_RANGES_SAMPLE_H
#include <__algorithm/iterator_operations.h>
#include <__algorithm/sample.h>
#include <__algorithm/uniform_random_bit_generator_adaptor.h>
#include <__config>
#include <__iterator/concepts.h>
#include <__iterator/incrementable_traits.h>
#include <__iterator/iterator_traits.h>
#include <__random/uniform_random_bit_generator.h>
#include <__ranges/access.h>
#include <__ranges/concepts.h>
#include <__type_traits/remove_reference.h>
#include <__utility/forward.h>
#include <__utility/move.h>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
# pragma GCC system_header
#endif
#if _LIBCPP_STD_VER >= 20
_LIBCPP_BEGIN_NAMESPACE_STD
namespace ranges {
namespace __sample {
struct __fn {
template <input_iterator _Iter, sentinel_for<_Iter> _Sent, weakly_incrementable _OutIter, class _Gen>
requires (forward_iterator<_Iter> || random_access_iterator<_OutIter>) &&
indirectly_copyable<_Iter, _OutIter> &&
uniform_random_bit_generator<remove_reference_t<_Gen>>
_LIBCPP_HIDE_FROM_ABI
_OutIter operator()(_Iter __first, _Sent __last,
_OutIter __out_first, iter_difference_t<_Iter> __n, _Gen&& __gen) const {
_ClassicGenAdaptor<_Gen> __adapted_gen(__gen);
return std::__sample<_RangeAlgPolicy>(
std::move(__first), std::move(__last), std::move(__out_first), __n, __adapted_gen);
}
template <input_range _Range, weakly_incrementable _OutIter, class _Gen>
requires (forward_range<_Range> || random_access_iterator<_OutIter>) &&
indirectly_copyable<iterator_t<_Range>, _OutIter> &&
uniform_random_bit_generator<remove_reference_t<_Gen>>
_LIBCPP_HIDE_FROM_ABI
_OutIter operator()(_Range&& __range, _OutIter __out_first, range_difference_t<_Range> __n, _Gen&& __gen) const {
return (*this)(ranges::begin(__range), ranges::end(__range),
std::move(__out_first), __n, std::forward<_Gen>(__gen));
}
};
} // namespace __sample
inline namespace __cpo {
inline constexpr auto sample = __sample::__fn{};
} // namespace __cpo
} // namespace ranges
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP_STD_VER >= 20
#endif // _LIBCPP___ALGORITHM_RANGES_SAMPLE_H