1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
//^ //^ HEAD //^ //> HEAD -> CORE use core::marker::Destruct; //^ //^ UPDATE //^ //> UPDATE -> TRAIT #[must_use] pub const trait Update: Sized + [const] Destruct { fn sync(self) -> (); fn ignore(self) -> () {} }