timer

Function timer 

Source
pub fn timer<'a, Scheduler, SchedulerCreator>(
    dur: Duration,
    scheduler_ctor: SchedulerCreator,
) -> Observable<'a, ()>
where Scheduler: IScheduler<'a> + Clone + Send + Sync + 'a, SchedulerCreator: Fn() -> Scheduler + Send + Sync + 'a,