[libcxx-commits] [libcxx] [libc++][bitset] Applied `[[nodiscard]]` (PR #170623)

[Thibault Monnier via libcxx-commits]

https://github.com/Thibault-Monnier commented:

You left out `operator<<` and `operator>>`. Is that intentional?

https://github.com/llvm/llvm-project/pull/170623