public void Subscribe(ICompletableObserver observer)
{
var en = default(IEnumerator <ICompletableSource>);
try
{
en = RequireNonNullRef(sources.GetEnumerator(), "The sources returned a null IEnumerator");
}
catch (Exception ex)
{
DisposableHelper.Error(observer, ex);
return;
}
var parent = new ConcatDisposable(observer, en, delayErrors);
observer.OnSubscribe(parent);
parent.Drain();
}
public void Subscribe(ICompletableObserver observer)
{
var srcs = sources;
var n = srcs.Length;
if (n == 0)
{
DisposableHelper.Complete(observer);
return;
}
if (n == 1)
{
srcs[0].Subscribe(observer);
return;
}
var parent = new ConcatDisposable(observer, srcs, delayErrors);
observer.OnSubscribe(parent);
parent.Drain();
}