00db13fcc9
Some more cleanup in `core` - remove some integer casts from slice iter (proposed in https://github.com/rust-lang/rust/pull/100819#discussion_r951113196) - replace `as usize` casts with `usize::from` in slice sort (proposed in https://github.com/rust-lang/rust/pull/100822#discussion_r950768698) r? `@scottmcm`