public static IObservable <T> Take <T>(this IObservable <T> source, int count)
{
if (source == null)
{
throw new ArgumentNullException("source");
}
if (count < 0)
{
throw new ArgumentOutOfRangeException("count");
}
if (count == 0)
{
return(Empty <T>());
}
// optimize .Take(count).Take(count)
TakeObservable <T> take = source as TakeObservable <T>;
if (take != null && take.scheduler == null)
{
return(take.Combine(count));
}
return(new TakeObservable <T>(source, count));
}
public static IObservable <T> Take <T>(this IObservable <T> source, TimeSpan duration, IScheduler scheduler)
{
if (source == null)
{
throw new ArgumentNullException("source");
}
if (scheduler == null)
{
throw new ArgumentNullException("scheduler");
}
// optimize .Take(duration).Take(duration)
TakeObservable <T> take = source as TakeObservable <T>;
if (take != null && take.scheduler == scheduler)
{
return(take.Combine(duration));
}
return(new TakeObservable <T>(source, duration, scheduler));
}
public Take(TakeObservable <T> parent, IObserver <T> observer, IDisposable cancel) : base(observer, cancel)
{
this.rest = parent.count;
}
