tree a3cf77caf6b9ed006ad183f0a83e0a65184cd8cb
parent 3e13b14b7ed2a93fb27eac3403af97255b7926ce
author Mark de Wever <koraq@xs4all.nl> 1613815200 +0100
committer Copybara-Service <copybara-worker@google.com> 1618600947 -0700

[libc++] Make chars_format a bitmask type.

Some of Microsoft's unit tests in D70631 fail because libc++'s
implementation of std::chars_format isn't a proper bitmask type. Adding
the required functions to make std::chars_format a proper bitmask type.

Implements parts of P0067: Elementary string conversions

Differential Revision: https://reviews.llvm.org/D97115

GitOrigin-RevId: ac08e2bb98e6ecc6f56f553109b889abe3ee614e