mirror of
https://github.com/capstone-engine/llvm-capstone.git
synced 2025-05-18 03:46:39 +00:00
4f15267d3d
This change is almost fully mechanical. The only interesting change is in `generate_feature_test_macro_components.py` to generate `_LIBCPP_STD_VER >=` instead. To avoid churn in the git-blame this commit should be added to the `.git-blame-ignore-revs` once committed. Reviewed By: ldionne, var-const, #libc Spies: jloser, libcxx-commits, arichardson, arphaman, wenlei Differential Revision: https://reviews.llvm.org/D143962
78 lines
2.3 KiB
C++
78 lines
2.3 KiB
C++
//===----------------------------------------------------------------------===//
|
|
//
|
|
// 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_COPY_N_H
|
|
#define _LIBCPP___ALGORITHM_RANGES_COPY_N_H
|
|
|
|
#include <__algorithm/copy.h>
|
|
#include <__algorithm/in_out_result.h>
|
|
#include <__algorithm/iterator_operations.h>
|
|
#include <__algorithm/ranges_copy.h>
|
|
#include <__config>
|
|
#include <__functional/identity.h>
|
|
#include <__iterator/concepts.h>
|
|
#include <__iterator/incrementable_traits.h>
|
|
#include <__iterator/unreachable_sentinel.h>
|
|
#include <__iterator/wrap_iter.h>
|
|
#include <__utility/move.h>
|
|
|
|
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
|
|
# pragma GCC system_header
|
|
#endif
|
|
|
|
_LIBCPP_BEGIN_NAMESPACE_STD
|
|
|
|
#if _LIBCPP_STD_VER >= 20
|
|
|
|
namespace ranges {
|
|
|
|
template <class _Ip, class _Op>
|
|
using copy_n_result = in_out_result<_Ip, _Op>;
|
|
|
|
namespace __copy_n {
|
|
struct __fn {
|
|
|
|
template <class _InIter, class _DiffType, class _OutIter>
|
|
_LIBCPP_HIDE_FROM_ABI constexpr static
|
|
copy_n_result<_InIter, _OutIter> __go(_InIter __first, _DiffType __n, _OutIter __result) {
|
|
while (__n != 0) {
|
|
*__result = *__first;
|
|
++__first;
|
|
++__result;
|
|
--__n;
|
|
}
|
|
return {std::move(__first), std::move(__result)};
|
|
}
|
|
|
|
template <random_access_iterator _InIter, class _DiffType, random_access_iterator _OutIter>
|
|
_LIBCPP_HIDE_FROM_ABI constexpr static
|
|
copy_n_result<_InIter, _OutIter> __go(_InIter __first, _DiffType __n, _OutIter __result) {
|
|
auto __ret = std::__copy<_RangeAlgPolicy>(__first, __first + __n, __result);
|
|
return {__ret.first, __ret.second};
|
|
}
|
|
|
|
template <input_iterator _Ip, weakly_incrementable _Op>
|
|
requires indirectly_copyable<_Ip, _Op>
|
|
_LIBCPP_HIDE_FROM_ABI constexpr
|
|
copy_n_result<_Ip, _Op> operator()(_Ip __first, iter_difference_t<_Ip> __n, _Op __result) const {
|
|
return __go(std::move(__first), __n, std::move(__result));
|
|
}
|
|
};
|
|
} // namespace __copy_n
|
|
|
|
inline namespace __cpo {
|
|
inline constexpr auto copy_n = __copy_n::__fn{};
|
|
} // namespace __cpo
|
|
} // namespace ranges
|
|
|
|
#endif // _LIBCPP_STD_VER >= 20
|
|
|
|
_LIBCPP_END_NAMESPACE_STD
|
|
|
|
#endif // _LIBCPP___ALGORITHM_RANGES_COPY_N_H
|