“Fun” stuff: Rust also doesn’t prevent this for more complicated objects. The ‘Sync’ trait will get applied to any struct that has only ‘Sync’ constituents, but

“Fun” stuff: Rust also doesn’t prevent this for more complicated objects. The ‘Sync’ trait will get applied to any struct that has only ‘Sync’ constituents, but that means that such an object can be observable in inconsistent states (e.g. a strange Date object where year, month and day are all atomic numbers can be 2023-02-31).