public static ISubscription bind <A>(
this IObservable <A> observable, IDisposableTracker tracker, Fn <A, Coroutine> f
)
{
var lastCoroutine = F.none <Coroutine>();
void stopOpt()
{
foreach (var c in lastCoroutine)
{
c.stop();
}
};
var sub = observable.subscribe(
NoOpDisposableTracker.instance,
a => {
stopOpt();
lastCoroutine = f(a).some();
}
).andThen(stopOpt);
tracker.track(sub);
return(sub);
}
public static void onCompleteCancellable <A>(this Future <A> future, IDisposableTracker tracker, Act <A> action) => tracker.track(onCompleteCancellable(future, action));