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llvm-project/libcxx/docs/Cxx2aStatus.rst

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[libc++] [docs] Migrate C++ status pages to RestructuredText (RST). Currently, papers and issues are in separate .csv files (that is easier to update), but I can put them inline.Transforming current html tables into rst are done by the script (attached to the patch FYI but I'll remove it before committing). I'll of course update RST files before committing to match any modifications that may happen in master branch. This patch moves the status pages in www/ to RST format in docs/. It also does some other minor changes: fix copyright year and broken comment end, adds substitutions for coherence (and add colors, but that can be removed easily). It adds as well redirects from old to new status pages. Reviewed By: ldionne, #libc Differential Revision: https://reviews.llvm.org/D92076
2020-11-26 16:03:50 +08:00
.. _cxx2a-status:
================================
[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++20 Status
[libc++] [docs] Migrate C++ status pages to RestructuredText (RST). Currently, papers and issues are in separate .csv files (that is easier to update), but I can put them inline.Transforming current html tables into rst are done by the script (attached to the patch FYI but I'll remove it before committing). I'll of course update RST files before committing to match any modifications that may happen in master branch. This patch moves the status pages in www/ to RST format in docs/. It also does some other minor changes: fix copyright year and broken comment end, adds substitutions for coherence (and add colors, but that can be removed easily). It adds as well redirects from old to new status pages. Reviewed By: ldionne, #libc Differential Revision: https://reviews.llvm.org/D92076
2020-11-26 16:03:50 +08:00
================================
[libc++] [docs] Exclude helper files from Sphinx configuration to avoid generating empty pages.
2020-11-27 20:47:20 +08:00
.. include:: Helpers/Styles.rst
[libc++] [docs] Migrate C++ status pages to RestructuredText (RST). Currently, papers and issues are in separate .csv files (that is easier to update), but I can put them inline.Transforming current html tables into rst are done by the script (attached to the patch FYI but I'll remove it before committing). I'll of course update RST files before committing to match any modifications that may happen in master branch. This patch moves the status pages in www/ to RST format in docs/. It also does some other minor changes: fix copyright year and broken comment end, adds substitutions for coherence (and add colors, but that can be removed easily). It adds as well redirects from old to new status pages. Reviewed By: ldionne, #libc Differential Revision: https://reviews.llvm.org/D92076
2020-11-26 16:03:50 +08:00
.. contents::
:local:
Overview
================================
[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
In July 2017, the C++ standard committee created a draft for the next version of the C++ standard, initially known as "C++2a".
In September 2020, the C++ standard committee approved this draft, and sent it to ISO for approval as C++20.
[libc++] [docs] Migrate C++ status pages to RestructuredText (RST). Currently, papers and issues are in separate .csv files (that is easier to update), but I can put them inline.Transforming current html tables into rst are done by the script (attached to the patch FYI but I'll remove it before committing). I'll of course update RST files before committing to match any modifications that may happen in master branch. This patch moves the status pages in www/ to RST format in docs/. It also does some other minor changes: fix copyright year and broken comment end, adds substitutions for coherence (and add colors, but that can be removed easily). It adds as well redirects from old to new status pages. Reviewed By: ldionne, #libc Differential Revision: https://reviews.llvm.org/D92076
2020-11-26 16:03:50 +08:00
[libc++] [docs] Add link to clang status page for C++2b and fix anchor for C++20.
2021-03-12 03:49:14 +08:00
This page shows the status of libc++; the status of clang's support of the language features is `here <https://clang.llvm.org/cxx_status.html#cxx20>`__.
[libc++] [docs] Migrate C++ status pages to RestructuredText (RST). Currently, papers and issues are in separate .csv files (that is easier to update), but I can put them inline.Transforming current html tables into rst are done by the script (attached to the patch FYI but I'll remove it before committing). I'll of course update RST files before committing to match any modifications that may happen in master branch. This patch moves the status pages in www/ to RST format in docs/. It also does some other minor changes: fix copyright year and broken comment end, adds substitutions for coherence (and add colors, but that can be removed easily). It adds as well redirects from old to new status pages. Reviewed By: ldionne, #libc Differential Revision: https://reviews.llvm.org/D92076
2020-11-26 16:03:50 +08:00
.. attention:: Features in unreleased drafts of the standard are subject to change.
The groups that have contributed papers:
- CWG - Core Language Working group
- LWG - Library working group
- SG1 - Study group #1 (Concurrency working group)
.. note:: "Nothing to do" means that no library changes were needed to implement this change.
.. _paper-status-cxx2a:
Paper Status
====================================
.. csv-table::
:file: Cxx2aStatusPaperStatus.csv
[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
:header-rows: 1
[libc++] [docs] Migrate C++ status pages to RestructuredText (RST). Currently, papers and issues are in separate .csv files (that is easier to update), but I can put them inline.Transforming current html tables into rst are done by the script (attached to the patch FYI but I'll remove it before committing). I'll of course update RST files before committing to match any modifications that may happen in master branch. This patch moves the status pages in www/ to RST format in docs/. It also does some other minor changes: fix copyright year and broken comment end, adds substitutions for coherence (and add colors, but that can be removed easily). It adds as well redirects from old to new status pages. Reviewed By: ldionne, #libc Differential Revision: https://reviews.llvm.org/D92076
2020-11-26 16:03:50 +08:00
:widths: auto
.. note::
.. [#note-P0600] P0600: The missing bits in P0600 are in |sect|\ [mem.res.class], |sect|\ [mem.poly.allocator.class], and |sect|\ [container.node.overview].
[libc++] [P0966] [C++20] Fix bug PR45368 by correctly implementing P0966: string::reserve should not shrink. This patch fixes the implementation as well as the tests that didn't actually test the wanted behaviour. You'll find all the details in the bug report. It adds as well deprecation warning for reserve() (without argument) and adds a test. http://wg21.link/P0966R1 https://bugs.llvm.org/show_bug.cgi?id=45368 https://reviews.llvm.org/D54992 Reviewed By: ldionne, #libc Differential Revision: https://reviews.llvm.org/D91778
2020-11-26 17:07:16 +08:00
.. [#note-P0966] P0966: It was previously erroneously marked as complete in version 8.0. See `bug 45368 <https://llvm.org/PR45368>`__.
[libc++] [P0619] Add _LIBCPP_ABI_NO_BINDER_BASES and remove binder typedefs in C++20. Differential Revision: https://reviews.llvm.org/D103753
2021-05-26 02:34:18 +08:00
.. [#note-P0619] P0619: Only sections D.8, D.9, and D.10 are implemented. Sections D.4, D.7, D.11, D.12, and D.14 remain undone.
[libcxx] Implement P0883R2 ("Fixing Atomic Initialization") Reviewed By: Quuxplusone Differential Revision: https://reviews.llvm.org/D103769
2021-06-07 00:02:20 +08:00
.. [#note-P0883] P0883: shared_ptr and floating-point changes weren't applied as they themselves aren't implemented yet.
[libc++] [docs] Migrate C++ status pages to RestructuredText (RST). Currently, papers and issues are in separate .csv files (that is easier to update), but I can put them inline.Transforming current html tables into rst are done by the script (attached to the patch FYI but I'll remove it before committing). I'll of course update RST files before committing to match any modifications that may happen in master branch. This patch moves the status pages in www/ to RST format in docs/. It also does some other minor changes: fix copyright year and broken comment end, adds substitutions for coherence (and add colors, but that can be removed easily). It adds as well redirects from old to new status pages. Reviewed By: ldionne, #libc Differential Revision: https://reviews.llvm.org/D92076
2020-11-26 16:03:50 +08:00
.. _issues-status-cxx2a:
Library Working Group Issues Status
====================================
.. csv-table::
:file: Cxx2aStatusIssuesStatus.csv
[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
:header-rows: 1
[libc++] [docs] Migrate C++ status pages to RestructuredText (RST). Currently, papers and issues are in separate .csv files (that is easier to update), but I can put them inline.Transforming current html tables into rst are done by the script (attached to the patch FYI but I'll remove it before committing). I'll of course update RST files before committing to match any modifications that may happen in master branch. This patch moves the status pages in www/ to RST format in docs/. It also does some other minor changes: fix copyright year and broken comment end, adds substitutions for coherence (and add colors, but that can be removed easily). It adds as well redirects from old to new status pages. Reviewed By: ldionne, #libc Differential Revision: https://reviews.llvm.org/D92076
2020-11-26 16:03:50 +08:00
:widths: auto
[libc++] [P0619] Hide not1 and not2 under _LIBCPP_ENABLE_CXX20_REMOVED_NEGATORS. This also provides some of the scaffolding needed by D102992 and D101729, and mops up after D101730 etc. Differential Revision: https://reviews.llvm.org/D103055
2021-05-25 06:36:17 +08:00
Last Updated: 24-May-2021