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| 1 | //===-- include/flang/Common/variant.h --------------------------*- C++ -*-===// |
|---|---|
| 2 | // |
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | |
| 9 | // A single way to expose C++ variant class in files that can be used |
| 10 | // in F18 runtime build. With inclusion of this file std::variant |
| 11 | // and the related names become available, though, they may correspond |
| 12 | // to alternative definitions (e.g. from cuda::std namespace). |
| 13 | |
| 14 | #ifndef FORTRAN_COMMON_VARIANT_H |
| 15 | #define FORTRAN_COMMON_VARIANT_H |
| 16 | |
| 17 | #if RT_USE_LIBCUDACXX |
| 18 | #include <cuda/std/variant> |
| 19 | namespace std { |
| 20 | using cuda::std::get; |
| 21 | using cuda::std::monostate; |
| 22 | using cuda::std::variant; |
| 23 | using cuda::std::variant_size_v; |
| 24 | using cuda::std::visit; |
| 25 | } // namespace std |
| 26 | #else // !RT_USE_LIBCUDACXX |
| 27 | #include <variant> |
| 28 | #endif // !RT_USE_LIBCUDACXX |
| 29 | |
| 30 | #endif // FORTRAN_COMMON_VARIANT_H |
| 31 |
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