@@ -18,7 +18,7 @@
<li><a href="#cxx11">C++11</a></li>
<li><a href="#cxx14">C++14</a></li>
<li><a href="#cxx17">C++17</a></li>
- <li><a href="#cxx2a">C++2a</a></li>
+ <li><a href="#cxx20">C++20</a></li>
<li><a href="#tses">Technical Specifications</a></li>
</ul>
@@ -31,27 +31,27 @@
Implementation Status</a> section of the Libstdc++ manual.
</p>
- <h2 id="cxx2a">C++2a Support in GCC</h2>
+ <h2 id="cxx20">C++20 Support in GCC</h2>
<p>GCC has experimental support for the next revision of the C++
standard, which is expected to be published in 2020.</p>
- <p>C++2a features are available since GCC 8. To enable C++2a
+ <p>C++20 features are available since GCC 8. To enable C++20
support, add the command-line parameter <code>-std=c++20</code>
(use <code>-std=c++2a</code> in GCC 9 and earlier)
to your <code>g++</code> command line. Or, to enable GNU
- extensions in addition to C++2a features,
- add <code>-std=gnu++2a</code>.</p>
+ extensions in addition to C++20 features,
+ add <code>-std=gnu++20</code>.</p>
- <p><strong>Important</strong>: Because the ISO C++2a standard is
+ <p><strong>Important</strong>: Because the ISO C++20 standard is
still evolving, GCC's support is <strong>experimental</strong>. No attempt
will be made to maintain backward compatibility with implementations of
- C++2a features that do not reflect the final standard.</p>
+ C++20 features that do not reflect the final standard.</p>
- <h2>C++2a Language Features</h2>
+ <h2>C++20 Language Features</h2>
<p>The following table lists new language features that have been
- accepted into the C++2a working draft. The "Proposal" column
+ accepted into the C++20 working draft. The "Proposal" column
provides a link to the ISO C++ committee proposal that describes the
feature, while the "Available in GCC?" column indicates the first
version of GCC that contains an implementation of this feature (if
It's time to use 20 instead of 2a. Pushed. commit 2330b0f89b6ac47cbb2253562a350eb1d121dd69 Author: Marek Polacek <polacek@redhat.com> Date: Mon Aug 31 16:30:51 2020 -0400 cxx-status: Use C++20 instead of C++2a. Marek