0324b46cd8
This patch changes the variant even in pre-C++2b. It should not break anything, only allow use cases that didn't work previously. Notes: `__as_variant` is used in `__visitation::__variant::__visit_alt`, but I haven't used it in `__visitation::__variant::__visit_alt_at`. That's because it is used only in `__visit_value_at`, which in turn is always used on variant specializations (that's in comparison operators). * https://wg21.link/P2162 Reviewed By: ldionne, #libc, Quuxplusone Differential Revision: https://reviews.llvm.org/D97394
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| 1 | Paper # | Group | Paper Name | Meeting | Status | First released version |
|---|---|---|---|---|---|---|
| 2 | `P0881R7 <https://wg21.link/P0881R7>`__ | LWG | A Proposal to add stacktrace library | Autumn 2020 | ||
| 3 | `P0943R6 <https://wg21.link/P0943R6>`__ | LWG | Support C atomics in C++ | Autumn 2020 | ||
| 4 | `P1048R1 <https://wg21.link/P1048R1>`__ | LWG | A proposal for a type trait to detect scoped enumerations | Autumn 2020 | |Complete| | 12.0 |
| 5 | `P1679R3 <https://wg21.link/P1679R3>`__ | LWG | string contains function | Autumn 2020 | |Complete| | 12.0 |
| 6 | ||||||
| 7 | `P1682R3 <https://wg21.link/P1682R3>`__ | LWG | std::to_underlying for enumerations | February 2021 | |Complete| | 13.0 |
| 8 | `P2017R1 <https://wg21.link/P2017R1>`__ | LWG | Conditionally borrowed ranges | February 2021 | ||
| 9 | `P2160R1 <https://wg21.link/P2160R1>`__ | LWG | Locks lock lockables | February 2021 | ||
| 10 | `P2162R2 <https://wg21.link/P2162R2>`__ | LWG | Inheriting from std::variant | February 2021 | |Complete| | 13.0 |
| 11 | `P2212R2 <https://wg21.link/P2212R2>`__ | LWG | Relax Requirements for time_point::clock | February 2021 | ||
| 12 | `P2259R1 <https://wg21.link/P2259R1>`__ | LWG | Repairing input range adaptors and counted_iterator | February 2021 | ||
| 13 |