[libcxx-commits] [libcxx] [libc++][string] Applied `[[nodiscard]]` to non-member functions (PR #169330)

[Hristo Hristov via libcxx-commits]

H-G-Hristov wrote:

OK. I forgot to test the `wstring` cases. I'll fix that now.

https://github.com/llvm/llvm-project/pull/169330