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a2042521a0
`std::copy` doesn't use the `_AlgPolicy` for anything other than calling itself with it, so we can just remove the argument. This also removes the need in a few other algorithms which had an `_AlgPolicy` argument only to call `copy`.
69 lines
2.1 KiB
C++
69 lines
2.1 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef _LIBCPP___ALGORITHM_RANGES_COPY_H
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#define _LIBCPP___ALGORITHM_RANGES_COPY_H
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#include <__algorithm/copy.h>
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#include <__algorithm/in_out_result.h>
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#include <__config>
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#include <__functional/identity.h>
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#include <__iterator/concepts.h>
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#include <__ranges/access.h>
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#include <__ranges/concepts.h>
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#include <__ranges/dangling.h>
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#include <__utility/move.h>
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#include <__utility/pair.h>
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#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
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# pragma GCC system_header
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#endif
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_LIBCPP_PUSH_MACROS
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#include <__undef_macros>
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#if _LIBCPP_STD_VER >= 20
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_LIBCPP_BEGIN_NAMESPACE_STD
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namespace ranges {
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template <class _InIter, class _OutIter>
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using copy_result = in_out_result<_InIter, _OutIter>;
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struct __copy {
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template <input_iterator _InIter, sentinel_for<_InIter> _Sent, weakly_incrementable _OutIter>
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requires indirectly_copyable<_InIter, _OutIter>
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_LIBCPP_HIDE_FROM_ABI constexpr copy_result<_InIter, _OutIter>
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operator()(_InIter __first, _Sent __last, _OutIter __result) const {
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auto __ret = std::__copy(std::move(__first), std::move(__last), std::move(__result));
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return {std::move(__ret.first), std::move(__ret.second)};
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}
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template <input_range _Range, weakly_incrementable _OutIter>
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requires indirectly_copyable<iterator_t<_Range>, _OutIter>
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_LIBCPP_HIDE_FROM_ABI constexpr copy_result<borrowed_iterator_t<_Range>, _OutIter>
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operator()(_Range&& __r, _OutIter __result) const {
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auto __ret = std::__copy(ranges::begin(__r), ranges::end(__r), std::move(__result));
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return {std::move(__ret.first), std::move(__ret.second)};
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}
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};
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inline namespace __cpo {
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inline constexpr auto copy = __copy{};
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} // namespace __cpo
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} // namespace ranges
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_LIBCPP_END_NAMESPACE_STD
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#endif // _LIBCPP_STD_VER >= 20
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_LIBCPP_POP_MACROS
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#endif // _LIBCPP___ALGORITHM_RANGES_COPY_H
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