[libcxx-commits] [libcxx] [libc++][char_traits] Applied `[[nodiscard]]` (PR #172244)

[Hristo Hristov via libcxx-commits]

https://github.com/Zingam approved this pull request.

LGTM

Thanks for catching this omission!

https://github.com/llvm/llvm-project/pull/172244