176d0caaeSpatrick.. _cxx17-status: 276d0caaeSpatrick 376d0caaeSpatrick================================ 476d0caaeSpatricklibc++ C++17 Status 576d0caaeSpatrick================================ 676d0caaeSpatrick 776d0caaeSpatrick.. include:: ../Helpers/Styles.rst 876d0caaeSpatrick 976d0caaeSpatrick.. contents:: 1076d0caaeSpatrick :local: 1176d0caaeSpatrick 1276d0caaeSpatrick 1376d0caaeSpatrickOverview 1476d0caaeSpatrick================================ 1576d0caaeSpatrick 1676d0caaeSpatrickIn November 2014, the C++ standard committee created a draft for the next version of the C++ standard, initially known as "C++1z". 1776d0caaeSpatrickIn February 2017, the C++ standard committee approved this draft, and sent it to ISO for approval as C++17. 1876d0caaeSpatrick 1976d0caaeSpatrickThis 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#cxx17>`__. 2076d0caaeSpatrick 2176d0caaeSpatrick.. attention:: Features in unreleased drafts of the standard are subject to change. 2276d0caaeSpatrick 2376d0caaeSpatrickThe groups that have contributed papers: 2476d0caaeSpatrick 2576d0caaeSpatrick- CWG - Core Language Working group 2676d0caaeSpatrick- LWG - Library working group 2776d0caaeSpatrick- SG1 - Study group #1 (Concurrency working group) 2876d0caaeSpatrick 2976d0caaeSpatrick.. note:: "Nothing to do" means that no library changes were needed to implement this change. 3076d0caaeSpatrick 3176d0caaeSpatrick.. _paper-status-cxx17: 3276d0caaeSpatrick 3376d0caaeSpatrickPaper Status 3476d0caaeSpatrick==================================== 3576d0caaeSpatrick 3676d0caaeSpatrick.. csv-table:: 3776d0caaeSpatrick :file: Cxx17Papers.csv 3876d0caaeSpatrick :header-rows: 1 3976d0caaeSpatrick :widths: auto 4076d0caaeSpatrick 4176d0caaeSpatrick.. note:: 4276d0caaeSpatrick 43*4bdff4beSrobert .. [#note-P0067] P0067: ``std::(to|from)_chars`` for integrals has been available since version 7.0. ``std::to_chars`` for ``float`` and ``double`` since version 14.0 ``std::to_chars`` for ``long double`` uses the implementation for ``double``. 4476d0caaeSpatrick .. [#note-P0607] P0607: The parts of P0607 that are not done are the ``<regex>`` bits. 45*4bdff4beSrobert .. [#note-P0154] P0154: This is currently not implemented for clang because clang does not implement the required macros. 4676d0caaeSpatrick 4776d0caaeSpatrick.. _issues-status-cxx17: 4876d0caaeSpatrick 4976d0caaeSpatrickLibrary Working Group Issues Status 5076d0caaeSpatrick==================================== 5176d0caaeSpatrick 5276d0caaeSpatrick.. csv-table:: 5376d0caaeSpatrick :file: Cxx17Issues.csv 5476d0caaeSpatrick :header-rows: 1 5576d0caaeSpatrick :widths: auto 56