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53406fb691
The logic here is that we are disabling *only* things in `std::ranges::`. Everything in `std::` is permitted, including `default_sentinel`, `contiguous_iterator`, `common_iterator`, `projected`, `swappable`, and so on. Then, we include anything from `std::ranges::` that is required in order to make those things work: `ranges::swap`, `ranges::swap_ranges`, `input_range`, `ranges::begin`, `ranges::iter_move`, and so on. But then that's all. Everything else (including notably all of the "views" and the `std::views` namespace itself) is still locked up behind `_LIBCPP_HAS_NO_INCOMPLETE_RANGES`. Differential Revision: https://reviews.llvm.org/D118736
55 lines
1.8 KiB
C++
55 lines
1.8 KiB
C++
// -*- C++ -*-
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//===----------------------------------------------------------------------===//
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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_IN_OUT_RESULT_H
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#define _LIBCPP___ALGORITHM_IN_OUT_RESULT_H
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#include <__concepts/convertible_to.h>
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#include <__config>
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#include <__utility/move.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_BEGIN_NAMESPACE_STD
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#if !defined(_LIBCPP_HAS_NO_CONCEPTS) && !defined(_LIBCPP_HAS_NO_INCOMPLETE_RANGES)
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namespace ranges {
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template<class _InputIterator, class _OutputIterator>
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struct in_out_result {
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_LIBCPP_NO_UNIQUE_ADDRESS _InputIterator in;
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_LIBCPP_NO_UNIQUE_ADDRESS _OutputIterator out;
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template <class _InputIterator2, class _OutputIterator2>
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requires convertible_to<const _InputIterator&, _InputIterator2> && convertible_to<const _OutputIterator&,
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_OutputIterator2>
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_LIBCPP_HIDE_FROM_ABI
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constexpr operator in_out_result<_InputIterator2, _OutputIterator2>() const & {
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return {in, out};
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}
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template <class _InputIterator2, class _OutputIterator2>
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requires convertible_to<_InputIterator, _InputIterator2> && convertible_to<_OutputIterator, _OutputIterator2>
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_LIBCPP_HIDE_FROM_ABI
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constexpr operator in_out_result<_InputIterator2, _OutputIterator2>() && {
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return {_VSTD::move(in), _VSTD::move(out)};
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}
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};
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} // namespace ranges
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#endif // !defined(_LIBCPP_HAS_NO_CONCEPTS) && !defined(_LIBCPP_HAS_NO_INCOMPLETE_RANGES)
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_LIBCPP_END_NAMESPACE_STD
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#endif // _LIBCPP___ALGORITHM_IN_OUT_RESULT_H
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