forked from OSchip/llvm-project
54 lines
1.6 KiB
C++
54 lines
1.6 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_IN_RESULT_H
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#define _LIBCPP___ALGORITHM_IN_IN_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 _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_INCOMPLETE_RANGES)
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namespace ranges {
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template <class _InIter1, class _InIter2>
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struct in_in_result {
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_LIBCPP_NO_UNIQUE_ADDRESS _InIter1 in1;
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_LIBCPP_NO_UNIQUE_ADDRESS _InIter2 in2;
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template <class _InIter3, class _InIter4>
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requires convertible_to<const _InIter1&, _InIter3> && convertible_to<const _InIter2&, _InIter4>
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_LIBCPP_HIDE_FROM_ABI constexpr
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operator in_in_result<_InIter3, _InIter4>() const & {
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return {in1, in2};
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}
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template <class _InIter3, class _InIter4>
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requires convertible_to<_InIter1, _InIter3> && convertible_to<_InIter2, _InIter4>
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_LIBCPP_HIDE_FROM_ABI constexpr
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operator in_in_result<_InIter3, _InIter4>() && {
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return {std::move(in1), std::move(in2)};
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}
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};
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} // namespace ranges
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#endif // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_INCOMPLETE_RANGES)
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_LIBCPP_END_NAMESPACE_STD
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#endif // _LIBCPP___ALGORITHM_IN_IN_RESULT_H
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