[1] http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2019/p059...
[2] https://gcc.gnu.org/gcc-11/changes.html
[3] https://en.wikipedia.org/wiki/C%2B%2B23#cite_note-1
[1] http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2019/p059...
[2] https://gcc.gnu.org/gcc-11/changes.html
[3] https://en.wikipedia.org/wiki/C%2B%2B23#cite_note-1