[libcxx-commits] [libcxx] [libc++] Applied `[[nodiscard]]` to more Language Support classes (PR #171078)

[Nikolas Klauser via libcxx-commits]

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philnik777 wrote:

We don't have any guidelines on whether to add `[[nodiscard]]` to types currently, and I don't think we should try to figure one out here.

https://github.com/llvm/llvm-project/pull/171078