pub trait Timer {
    // Required methods
    fn sleep(&self, duration: Duration) -> Pin<Box<dyn Sleep>>;
    fn sleep_until(&self, deadline: Instant) -> Pin<Box<dyn Sleep>>;
    // Provided method
    fn reset(&self, sleep: &mut Pin<Box<dyn Sleep>>, new_deadline: Instant) { ... }
}Expand description
A timer which provides timer-like functions.