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Use `Option::is_some_and` and `Result::is_ok_and` in the compiler `.is_some_and(..)`/`.is_ok_and(..)` replace `.map_or(false, ..)` and `.map(..).unwrap_or(false)`, making the code more readable. This PR is a sibling of https://github.com/rust-lang/rust/pull/111873#issuecomment-1561316515
For more information about how rustc works, see the rustc dev guide.