2 //===----------------------------------------------------------------------===//
4 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
5 // See https://llvm.org/LICENSE.txt for license information.
6 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
8 //===----------------------------------------------------------------------===//
10 #ifndef _LIBCPP___ALGORITHM_IN_IN_OUT_RESULT_H
11 #define _LIBCPP___ALGORITHM_IN_IN_OUT_RESULT_H
13 #include <__concepts/convertible_to.h>
15 #include <__utility/move.h>
17 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
18 #pragma GCC system_header
21 _LIBCPP_BEGIN_NAMESPACE_STD
23 #if !defined(_LIBCPP_HAS_NO_CONCEPTS) && !defined(_LIBCPP_HAS_NO_INCOMPLETE_RANGES)
27 template <class _I1, class _I2, class _O1>
28 struct in_in_out_result {
29 [[no_unique_address]] _I1 in1;
30 [[no_unique_address]] _I2 in2;
31 [[no_unique_address]] _O1 out;
33 template <class _II1, class _II2, class _OO1>
34 requires convertible_to<const _I1&, _II1> && convertible_to<const _I2&, _II2> && convertible_to<const _O1&, _OO1>
35 _LIBCPP_HIDE_FROM_ABI constexpr
36 operator in_in_out_result<_II1, _II2, _OO1>() const& {
37 return {in1, in2, out};
40 template <class _II1, class _II2, class _OO1>
41 requires convertible_to<_I1, _II1> && convertible_to<_I2, _II2> && convertible_to<_O1, _OO1>
42 _LIBCPP_HIDE_FROM_ABI constexpr
43 operator in_in_out_result<_II1, _II2, _OO1>() && {
44 return {_VSTD::move(in1), _VSTD::move(in2), _VSTD::move(out)};
50 #endif // !defined(_LIBCPP_HAS_NO_CONCEPTS) && !defined(_LIBCPP_HAS_NO_INCOMPLETE_RANGES)
52 _LIBCPP_END_NAMESPACE_STD
54 #endif // _LIBCPP___ALGORITHM_IN_IN_OUT_RESULT_H