[libcxx-commits] [libcxx] [libc++] Reject cv-qualified types in __is_signed/unsigned_integer_v (PR #200377)

[Xavier Roche via libcxx-commits]

================

----------------
xroche wrote:

Ok, resurrecting cast stuff (std::in_range, can_cast_R, extents stuff..); let me know if this should be completed

https://github.com/llvm/llvm-project/pull/200377