Sorry, none of this is relevant to "idiomatic rust". It's just a list of a few random ... things. That, combined with the site name "a-i-nstein", makes me pretty confident that this is LLM slop.
For folks looking for actual guidance on "idiomatic rust", I highly encourage you to check out "Effective Rust" [1].
[1] https://www.lurklurk.org/effective-rust
