forked from OSchip/llvm-project
50 lines
1.4 KiB
C++
50 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_FUN_RESULT_H
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#define _LIBCPP___ALGORITHM_IN_FUN_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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#ifndef _LIBCPP_HAS_NO_CONCEPTS
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namespace ranges {
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template <class _Ip, class _Fp>
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struct in_fun_result {
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_LIBCPP_NO_UNIQUE_ADDRESS _Ip in;
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_LIBCPP_NO_UNIQUE_ADDRESS _Fp fun;
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template <class _I2, class _F2>
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requires convertible_to<const _Ip&, _I2> && convertible_to<const _Fp&, _F2>
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_LIBCPP_HIDE_FROM_ABI constexpr operator in_fun_result<_I2, _F2>() const & {
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return {in, fun};
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}
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template <class _I2, class _F2>
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requires convertible_to<_Ip, _I2> && convertible_to<_Fp, _F2>
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_LIBCPP_HIDE_FROM_ABI constexpr operator in_fun_result<_I2, _F2>() && {
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return {std::move(in), std::move(fun)};
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}
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};
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} // namespace ranges
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#endif // _LIBCPP_HAS_NO_RANGES
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_LIBCPP_END_NAMESPACE_STD
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#endif // _LIBCPP___ALGORITHM_IN_FUN_RESULT_H
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