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libcxx/include/__algorithm/ranges_copy_n.h
//===----------------------------------------------------------------------===// | //===----------------------------------------------------------------------===// | ||||
// | // | ||||
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. | ||||
// See https://llvm.org/LICENSE.txt for license information. | // See https://llvm.org/LICENSE.txt for license information. | ||||
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception | ||||
// | // | ||||
//===----------------------------------------------------------------------===// | //===----------------------------------------------------------------------===// | ||||
#ifndef _LIBCPP___ALGORITHM_RANGES_COPY_N_H | #ifndef _LIBCPP___ALGORITHM_RANGES_COPY_N_H | ||||
#define _LIBCPP___ALGORITHM_RANGES_COPY_N_H | #define _LIBCPP___ALGORITHM_RANGES_COPY_N_H | ||||
#include <__algorithm/copy.h> | #include <__algorithm/copy.h> | ||||
#include <__algorithm/in_out_result.h> | #include <__algorithm/in_out_result.h> | ||||
#include <__algorithm/iterator_operations.h> | |||||
#include <__algorithm/ranges_copy.h> | #include <__algorithm/ranges_copy.h> | ||||
#include <__config> | #include <__config> | ||||
#include <__functional/identity.h> | #include <__functional/identity.h> | ||||
#include <__iterator/concepts.h> | #include <__iterator/concepts.h> | ||||
#include <__iterator/incrementable_traits.h> | #include <__iterator/incrementable_traits.h> | ||||
#include <__iterator/unreachable_sentinel.h> | #include <__iterator/unreachable_sentinel.h> | ||||
#include <__iterator/wrap_iter.h> | #include <__iterator/wrap_iter.h> | ||||
#include <__utility/move.h> | #include <__utility/move.h> | ||||
Show All 24 Lines | while (__n != 0) { | ||||
--__n; | --__n; | ||||
} | } | ||||
return {std::move(__first), std::move(__result)}; | return {std::move(__first), std::move(__result)}; | ||||
} | } | ||||
template <random_access_iterator _InIter, class _DiffType, random_access_iterator _OutIter> | template <random_access_iterator _InIter, class _DiffType, random_access_iterator _OutIter> | ||||
_LIBCPP_HIDE_FROM_ABI constexpr static | _LIBCPP_HIDE_FROM_ABI constexpr static | ||||
copy_n_result<_InIter, _OutIter> __go(_InIter __first, _DiffType __n, _OutIter __result) { | copy_n_result<_InIter, _OutIter> __go(_InIter __first, _DiffType __n, _OutIter __result) { | ||||
auto __ret = std::__copy(__first, __first + __n, __result); | auto __ret = std::__copy<_RangeAlgPolicy>(__first, __first + __n, __result); | ||||
return {__ret.first, __ret.second}; | return {__ret.first, __ret.second}; | ||||
} | } | ||||
template <input_iterator _Ip, weakly_incrementable _Op> | template <input_iterator _Ip, weakly_incrementable _Op> | ||||
requires indirectly_copyable<_Ip, _Op> | requires indirectly_copyable<_Ip, _Op> | ||||
_LIBCPP_HIDE_FROM_ABI constexpr | _LIBCPP_HIDE_FROM_ABI constexpr | ||||
copy_n_result<_Ip, _Op> operator()(_Ip __first, iter_difference_t<_Ip> __n, _Op __result) const { | 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)); | return __go(std::move(__first), __n, std::move(__result)); | ||||
Show All 14 Lines |