5d4439cc3e
release/17.x branch, commit 8f4dd44097c9ae25dd203d5ac87f3b48f854bba8 This adds the flag `-D_LIBCPP_PSTL_CPU_BACKEND_SERIAL`. A future enhancement could possibly pass something different if there is a compelling parallel implementation. That libdispatch one might be worth looking into.
50 lines
1.5 KiB
C++
Vendored
50 lines
1.5 KiB
C++
Vendored
// -*- 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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#if _LIBCPP_STD_VER >= 20
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namespace ranges {
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template <class _InIter1, class _Func1>
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struct in_fun_result {
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_LIBCPP_NO_UNIQUE_ADDRESS _InIter1 in;
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_LIBCPP_NO_UNIQUE_ADDRESS _Func1 fun;
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template <class _InIter2, class _Func2>
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requires convertible_to<const _InIter1&, _InIter2> && convertible_to<const _Func1&, _Func2>
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_LIBCPP_HIDE_FROM_ABI constexpr operator in_fun_result<_InIter2, _Func2>() const & {
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return {in, fun};
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}
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template <class _InIter2, class _Func2>
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requires convertible_to<_InIter1, _InIter2> && convertible_to<_Func1, _Func2>
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_LIBCPP_HIDE_FROM_ABI constexpr operator in_fun_result<_InIter2, _Func2>() && {
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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_STD_VER >= 20
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_LIBCPP_END_NAMESPACE_STD
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#endif // _LIBCPP___ALGORITHM_IN_FUN_RESULT_H
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