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llvm-project/libcxx/docs/Status/Cxx2bPapers.csv

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[libc++] [docs] Add C++2b (to be C++23) status page. Also: * Fix header line in all status tables. * Use C++20 instead of C++2a. Reviewed By: ldionne, #libc, miscco Differential Revision: https://reviews.llvm.org/D92306
2020-12-03 16:17:14 +08:00
"Paper #","Group","Paper Name","Meeting","Status","First released version"
"`P0881R7 <https://wg21.link/P0881R7>`__","LWG","A Proposal to add stacktrace library","Autumn 2020","",""
[libc++] [C++2b] [P0943] Add stdatomic.h header. * https://wg21.link/P0943 * https://eel.is/c++draft/stdatomic.h.syn Differential Revision: https://reviews.llvm.org/D97044
2022-02-08 05:04:31 +08:00
"`P0943R6 <https://wg21.link/P0943R6>`__","LWG","Support C atomics in C++","Autumn 2020","|Complete|","15.0"
[libc++] [C++2b] [P1048] Add is_scoped_enum and is_scoped_enum_v. * https://wg21.link/p1048 Reviewed By: ldionne, #libc Differential Revision: https://reviews.llvm.org/D94409
2021-01-13 00:06:58 +08:00
"`P1048R1 <https://wg21.link/P1048R1>`__","LWG","A proposal for a type trait to detect scoped enumerations","Autumn 2020","|Complete|","12.0"
[NFC][libc++] Update the implementation status. During the review of https://reviews.llvm.org/D93912 we failed to notice the implementation status wasn't updated. This rectifies the issue.
2021-01-23 03:24:33 +08:00
"`P1679R3 <https://wg21.link/P1679R3>`__","LWG","string contains function","Autumn 2020","|Complete|","12.0"
[libc++] [docs] Add C++2b (to be C++23) status page. Also: * Fix header line in all status tables. * Use C++20 instead of C++2a. Reviewed By: ldionne, #libc, miscco Differential Revision: https://reviews.llvm.org/D92306
2020-12-03 16:17:14 +08:00
"","","","","",""
[libc++] [C++2b] [P1682] Add to_underlying. * https://wg21.link/P1682 Reviewed By: ldionne, Mordante, #libc Differential Revision: https://reviews.llvm.org/D97365
2021-03-05 16:19:39 +08:00
"`P1682R3 <https://wg21.link/P1682R3>`__","LWG","std::to_underlying for enumerations","February 2021","|Complete|","13.0"
[libc++] [docs] [C++2b] Update status page with issues (and forgotten papers) adopted in November 2020 and February 2021 virtual meetings. Sources: * https://github.com/cplusplus/draft/pull/4380 (November 2020) * https://github.com/cplusplus/draft/pull/4523 (February 2021) * https://github.com/cplusplus/draft/issues?q=is%3Aissue+LWG+Motion
2021-03-01 17:31:29 +08:00
"`P2017R1 <https://wg21.link/P2017R1>`__","LWG","Conditionally borrowed ranges","February 2021","",""
"`P2160R1 <https://wg21.link/P2160R1>`__","LWG","Locks lock lockables","February 2021","",""
[libc++] [C++2b] [P2162] Allow inheritance from std::variant. 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
2021-03-26 01:09:11 +08:00
"`P2162R2 <https://wg21.link/P2162R2>`__","LWG","Inheriting from std::variant","February 2021","|Complete|","13.0"
[libc++] [docs] [C++2b] Update status page with papers adopted in February 2021 virtual meeting.
2021-02-24 16:40:33 +08:00
"`P2212R2 <https://wg21.link/P2212R2>`__","LWG","Relax Requirements for time_point::clock","February 2021","",""
"`P2259R1 <https://wg21.link/P2259R1>`__","LWG","Repairing input range adaptors and counted_iterator","February 2021","",""
"","","","","",""
[libc++] Add papers from February 2022 plenary meeting Reviewed By: ldionne, Quuxplusone, #libc Spies: arichardson, libcxx-commits Differential Revision: https://reviews.llvm.org/D119189
2022-02-09 07:07:14 +08:00
"`P0401R6 <https://wg21.link/P0401R6>`__","LWG","Providing size feedback in the Allocator interface","June 2021","",""
Add list of LWG papers accepted by WG21 during the June 2021 plenary Reviewed By: #libc, Quuxplusone, ldionne Differential Revision: https://reviews.llvm.org/D105103
2021-07-01 12:26:55 +08:00
"`P0448R4 <https://wg21.link/P0448R4>`__","LWG","A strstream replacement using span<charT> as buffer","June 2021","",""
"`P1132R8 <https://wg21.link/P1132R8>`__","LWG","out_ptr - a scalable output pointer abstraction","June 2021","",""
"`P1328R1 <https://wg21.link/P1328R1>`__","LWG","Making std::type_info::operator== constexpr","June 2021","",""
[libc++] Implement P1425R4 (Iterator pair constructors for std::stack and std::queue) Implement P1425R4 Reviewed By: Quuxplusone, #libc, Mordante Spies: Mordante, jloser, libcxx-commits, arichardson Differential Revision: https://reviews.llvm.org/D115977
2022-01-06 19:36:07 +08:00
"`P1425R4 <https://wg21.link/P1425R4>`__","LWG","Iterators pair constructors for stack and queue","June 2021","|Complete|","14.0"
[libc++] [P1518R2] Better CTAD behavior for containers with allocators. P1518 does the following in C++23 but we'll just do it in C++17 as well: - Stop requiring `Alloc` to be an allocator on some container-adaptor deduction guides - Stop deducing from `Allocator` on some sequence container constructors - Stop deducing from `Allocator` on some other container constructors (libc++ already did this) The affected constructors are the "allocator-extended" versions of constructors where the non-allocator arguments are already sufficient to deduce the allocator type. For example, std::pmr::vector<int> v1; std::vector v2(v1, std::pmr::new_delete_resource()); std::stack s2(v1, std::pmr::new_delete_resource()); Differential Revision: https://reviews.llvm.org/D97742
2021-03-02 06:08:24 +08:00
"`P1518R2 <https://wg21.link/P1518R2>`__","LWG","Stop overconstraining allocators in container deduction guides","June 2021","|Complete|","13.0"
Add list of LWG papers accepted by WG21 during the June 2021 plenary Reviewed By: #libc, Quuxplusone, ldionne Differential Revision: https://reviews.llvm.org/D105103
2021-07-01 12:26:55 +08:00
"`P1659R3 <https://wg21.link/P1659R3>`__","LWG","starts_with and ends_with","June 2021","",""
[libc++] Implement P1951, default arguments for pair's forwarding constructor Differential Revision: https://reviews.llvm.org/D109066
2021-09-01 06:13:33 +08:00
"`P1951R1 <https://wg21.link/P1951R1>`__","LWG","Default Arguments for pair Forwarding Constructor","June 2021","|Complete|","14.0"
[libc++] Implement P1989R2: range constructor for string_view Implement P1989R2 which adds a range constructor for `string_view`. Adjust `operator/=` in `path` to avoid atomic constraints caching issue getting provoked from this PR. Add defaulted template argument to `string_view`'s "sufficient overloads" to avoid mangling issues in `clang-cl` builds. It is a MSVC mangling bug that this works around. Differential Revision: https://reviews.llvm.org/D113161
2021-11-04 06:45:04 +08:00
"`P1989R2 <https://wg21.link/P1989R2>`__","LWG","Range constructor for std::string_view","June 2021","|Complete|","14.0"
Add list of LWG papers accepted by WG21 during the June 2021 plenary Reviewed By: #libc, Quuxplusone, ldionne Differential Revision: https://reviews.llvm.org/D105103
2021-07-01 12:26:55 +08:00
"`P2136R3 <https://wg21.link/P2136R3>`__","LWG","invoke_r","June 2021","",""
[libc++] [c++2b] [P2166] Prohibit string and string_view construction from nullptr. * https://wg21.link/P2166 Reviewed By: ldionne, #libc Differential Revision: https://reviews.llvm.org/D106801
2021-07-27 22:16:21 +08:00
"`P2166R1 <https://wg21.link/P2166R1>`__","LWG","A Proposal to Prohibit std::basic_string and std::basic_string_view construction from nullptr","June 2021","|Complete|","13.0"
[libc++][doc] Update paper status. Update the status with the approved papers and LWG-issues in the October 2021 plenary. Reviewed By: #libc, ldionne Differential Revision: https://reviews.llvm.org/D111166
2021-10-06 00:18:16 +08:00
"","","","","",""
[libc++] Include revision numbers in the paper status lists Several of our C++20 and C++2b papers were missing the actual revision number that was voted in to the Standard. The revision number is quite important because in a few cases, a paper has a revision *after* the one that is voted into the Standard, which isn't voted into the Standard. Hence, if we simply followed the wg21.link blindly and implemented that, we'd end up implementing the latest revision of the paper, which might not have been voted. As a fly-by fix, I found out that P1664 had been withdrawn from the straw polls and had never been voted into the Standard. This commit removes that entry from our list. Differential Revision: https://reviews.llvm.org/D112339
2021-10-23 03:08:46 +08:00
"`P0288R9 <https://wg21.link/P0288R9>`__","LWG","``any_invocable``","October 2021","",""
[libc++] Implement P0798R8 (Monadic operations for std::optional) Implement P0798R8 Reviewed By: #libc, ldionne, Quuxplusone Spies: tcanens, Quuxplusone, ldionne, Wmbat, arichardson, Mordante, libcxx-commits Differential Revision: https://reviews.llvm.org/D113408
2021-12-16 03:54:24 +08:00
"`P0798R8 <https://wg21.link/P0798R8>`__","LWG","Monadic operations for ``std::optional``","October 2021","|Complete|","14.0"
[libc++] [ranges] Introduce _LIBCPP_AUTO_CAST(x) for auto(x). Clang is gaining `auto(x)` support in D113393; sadly there seems to be no feature-test macro for it. Zhihao is opening a core issue for that macro. Use `_LIBCPP_AUTO_CAST` where C++20 specifies we should use `auto(x)`; stop using `__decay_copy(x)` in those places. In fact, remove `__decay_copy` entirely. As of C++20, it's purely a paper specification tool signifying "Return just `x`, but it was perfect-forwarded, so we understand you're going to have to call its move-constructor sometimes." I believe there's no reason we'd ever need to do its operation explicitly in code. This heisenbugs away a test failure on MinGW; see D112214. Differential Revision: https://reviews.llvm.org/D115686
2021-12-14 08:21:38 +08:00
"`P0849R8 <https://wg21.link/P0849R8>`__","LWG","``auto(x)``: ``DECAY_COPY`` in the language","October 2021","|Complete|","14.0"
[libc++] Implement P1072R10 (std::basic_string::resize_and_overwrite) Reviewed By: Quuxplusone, #libc, Mordante Spies: mzeren-vmw, ckennelly, arichardson, ldionne, Mordante, libcxx-commits, Quuxplusone Differential Revision: https://reviews.llvm.org/D113013
2022-01-07 04:43:26 +08:00
"`P1072R10 <https://wg21.link/P1072R10>`__","LWG","``basic_string::resize_and_overwrite``","October 2021","|Complete|","14.0"
[libc++] Implement P1147R1 (Printing volatile T*) Differential Revision: https://reviews.llvm.org/D113482
2021-11-10 00:41:46 +08:00
"`P1147R1 <https://wg21.link/P1147R1>`__","LWG","Printing ``volatile`` Pointers","October 2021","|Complete|","14.0"
[libc++] Implement P1272R4 (std::byteswap) Implement P1274R4 Reviewed By: Quuxplusone, Mordante, #libc Spies: jloser, lebedev.ri, mgorny, libcxx-commits, arichardson Differential Revision: https://reviews.llvm.org/D114074
2021-11-22 07:22:55 +08:00
"`P1272R4 <https://wg21.link/P1272R4>`__","LWG","Byteswapping for fun&&nuf","October 2021","|Complete|","14.0"
[libc++] Include revision numbers in the paper status lists Several of our C++20 and C++2b papers were missing the actual revision number that was voted in to the Standard. The revision number is quite important because in a few cases, a paper has a revision *after* the one that is voted into the Standard, which isn't voted into the Standard. Hence, if we simply followed the wg21.link blindly and implemented that, we'd end up implementing the latest revision of the paper, which might not have been voted. As a fly-by fix, I found out that P1664 had been withdrawn from the straw polls and had never been voted into the Standard. This commit removes that entry from our list. Differential Revision: https://reviews.llvm.org/D112339
2021-10-23 03:08:46 +08:00
"`P1675R2 <https://wg21.link/P1675R2>`__","LWG","``rethrow_exception`` must be allowed to copy","October 2021","",""
"`P2077R3 <https://wg21.link/P2077R3>`__","LWG","Heterogeneous erasure overloads for associative containers","October 2021","",""
"`P2251R1 <https://wg21.link/P2251R1>`__","LWG","Require ``span`` & ``basic_string_view`` to be Trivially Copyable","October 2021","|Complete|","14.0"
"`P2301R1 <https://wg21.link/P2301R1>`__","LWG","Add a ``pmr`` alias for ``std::stacktrace``","October 2021","",""
[libc++][P2321R2] Add specializations of basic_common_reference and common_type for tuple Add specializations of `basic_common_reference` and `common_type` for `tuple` Reviewed By: ldionne, Mordante, #libc Spies: libcxx-commits Differential Revision: https://reviews.llvm.org/D116538
2022-01-18 02:45:42 +08:00
"`P2321R2 <https://wg21.link/P2321R2>`__","LWG","``zip``","October 2021","|In Progress|",""
[libc++] Include revision numbers in the paper status lists Several of our C++20 and C++2b papers were missing the actual revision number that was voted in to the Standard. The revision number is quite important because in a few cases, a paper has a revision *after* the one that is voted into the Standard, which isn't voted into the Standard. Hence, if we simply followed the wg21.link blindly and implemented that, we'd end up implementing the latest revision of the paper, which might not have been voted. As a fly-by fix, I found out that P1664 had been withdrawn from the straw polls and had never been voted into the Standard. This commit removes that entry from our list. Differential Revision: https://reviews.llvm.org/D112339
2021-10-23 03:08:46 +08:00
"`P2340R1 <https://wg21.link/P2340R1>`__","LWG","Clarifying the status of the 'C headers'","October 2021","",""
"`P2393R1 <https://wg21.link/P2393R1>`__","LWG","Cleaning up ``integer``-class types","October 2021","",""
"`P2401R0 <https://wg21.link/P2401R0>`__","LWG","Add a conditional ``noexcept`` specification to ``std::exchange``","October 2021","|Complete|","14.0"
[libc++][doc] Update paper status. Update the status with the approved papers and LWG-issues in the October 2021 plenary. Reviewed By: #libc, ldionne Differential Revision: https://reviews.llvm.org/D111166
2021-10-06 00:18:16 +08:00
"","","","","",""
[libc++] Add papers from February 2022 plenary meeting Reviewed By: ldionne, Quuxplusone, #libc Spies: arichardson, libcxx-commits Differential Revision: https://reviews.llvm.org/D119189
2022-02-09 07:07:14 +08:00
"`P0323R12 <https://wg21.link/P0323R12>`__","LWG","``std::expected``","February 2022","",""
"`P0533R9 <https://wg21.link/P0533R9>`__","LWG","``constexpr`` for ``<cmath>`` and ``<cstdlib>``","February 2022","",""
[libc++] Implement P0627R6 (Function to mark unreachable code) Reviewed By: ldionne, Quuxplusone, #libc Spies: arichardson, mstorsjo, libcxx-commits, mgorny Differential Revision: https://reviews.llvm.org/D119152
2022-02-15 01:26:02 +08:00
"`P0627R6 <https://wg21.link/P0627R6>`__","LWG","Function to mark unreachable code","February 2022","|Complete|","15.0"
[libc++] Add papers from February 2022 plenary meeting Reviewed By: ldionne, Quuxplusone, #libc Spies: arichardson, libcxx-commits Differential Revision: https://reviews.llvm.org/D119189
2022-02-09 07:07:14 +08:00
"`P1206R7 <https://wg21.link/P1206R7>`__","LWG","``ranges::to``: A function to convert any range to a container","February 2022","",""
"`P1413R3 <https://wg21.link/P1413R3>`__","LWG","Deprecate ``std::aligned_storage`` and ``std::aligned_union``","February 2022","",""
"`P2255R3 <https://wg21.link/P2255R3>`__","LWG","A type trait to detect reference binding to temporary","February 2022","",""
"`P2273R3 <https://wg21.link/P2273R3>`__","LWG","Making ``std::unique_ptr`` constexpr","February 2022","",""
"`P2387R3 <https://wg21.link/P2387R3>`__","LWG","Pipe support for user-defined range adaptors","February 2022","",""
"`P2440R1 <https://wg21.link/P2440R1>`__","LWG","``ranges::iota``, ``ranges::shift_left`` and ``ranges::shift_right``","February 2022","",""
"`P2441R2 <https://wg21.link/P2441R2>`__","LWG","``views::join_view``","February 2022","",""
"`P2442R1 <https://wg21.link/P2442R1>`__","LWG","Windowing range adaptors: ``views::chunk`` and ``views::slide``","February 2022","",""
"`P2443R1 <https://wg21.link/P2443R1>`__","LWG","``views::chunk_by``","February 2022","",""
"","","","","",""