d2baefae68
All supported compilers that support C++20 now support concepts. So, remove `_LIB_LIBCPP_HAS_NO_CONCEPTS` in favor of `_LIBCPP_STD_VER > 17`. Similarly in the tests, remove `// UNSUPPORTED: libcpp-no-concepts`. Differential Revision: https://reviews.llvm.org/D121528
52 lines
1.4 KiB
C++
52 lines
1.4 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
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namespace ranges {
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template <class _I1, class _I2>
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struct in_in_result {
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_LIBCPP_NO_UNIQUE_ADDRESS _I1 in1;
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_LIBCPP_NO_UNIQUE_ADDRESS _I2 in2;
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template <class _II1, class _II2>
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requires convertible_to<const _I1&, _II1> && convertible_to<const _I2&, _II2>
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_LIBCPP_HIDE_FROM_ABI constexpr
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operator in_in_result<_II1, _II2>() const & {
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return {in1, in2};
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}
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template <class _II1, class _II2>
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requires convertible_to<_I1, _II1> && convertible_to<_I2, _II2>
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_LIBCPP_HIDE_FROM_ABI constexpr
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operator in_in_result<_II1, _II2>() && { return {_VSTD::move(in1), _VSTD::move(in2)}; }
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};
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} // namespace ranges
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#endif // _LIBCPP_STD_VER > 17
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_LIBCPP_END_NAMESPACE_STD
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#endif // _LIBCPP___ALGORITHM_IN_IN_RESULT_H
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