Class Time

src/timely-util/src/reclock.rs:1113–1113

        #[derive(Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Serialize, Deserialize)]
        struct Time(u64);

        // A counter of the number of active Time instances
        static INSTANCES: AtomicUsize = AtomicUsize::new(0);