Commit 24e0619a authored by Ray Kraesig's avatar Ray Kraesig
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Bug 1772856 - Add designated initializers to list of acceptable C++ features ... 

Bug 1772856 - Add designated initializers to list of acceptable C++ features  r=firefox-build-system-reviewers,bholley,glandium  DONTBUILD

Differential Revision: https://phabricator.services.mozilla.com/D148416
parent 35dc22ea

docs/code-quality/coding-style/using_cxx_in_firefox_code.rst

+13 −0
Original line number Diff line number Diff line
@@ -278,6 +278,10 @@ list of acceptable features is given below: 
     - 7.0

     - 4.0

     - **No** (see notes)

   * - Designated initializers (C++20)

     - 8.0 (4.7)

     - 10.0 (3.0)

     - Yes [*sic*] (see notes)

   * - #pragma once

     - 3.4

     - Yes
@@ -324,6 +328,15 @@ have support for these functions. 


Thread locals: ``thread_local`` is not supported on Android.



Designated initializers: Despite their late addition to C++ (and lack of

*official* support by compilers until relatively recently), `C++20's designated

initializers

<https://www.open-std.org/jtc1/sc22/wg21/docs/papers/2017/p0329r4.pdf>`__ are

merely a subset of `a feature originally introduced in C99

<https://gcc.gnu.org/onlinedocs/gcc/Designated-Inits.html>`__ -- and this subset

has been accepted without comment in C++ code since at least GCC 4.7 and Clang

3.0.





C++ and Mozilla standard libraries

----------------------------------