[libcxx-commits] [libcxx] [libc++] Applied `[[nodiscard]]` to some general utilities (PR #169322)

[Hristo Hristov via libcxx-commits]

H-G-Hristov wrote:

> Is it intended to add `[[nodiscard]]` to `hash` in another PR? (Related to a recent PR adding C++ `hash` specializations to `chrono` types.)

Yes. I am implementing the changes in chunks trying to balance between what's more use while keeping the PRs neither too small nor too big. 

https://github.com/llvm/llvm-project/pull/169322