public IDisposable Subscribe(IObserver <T> observer)
{
var parent = new ConcatCoordinator(observer, sources, delayErrors);
parent.Next();
return(parent);
}
public IDisposable Subscribe(IObserver <T> observer)
{
var en = default(IEnumerator <ISingleSource <T> >);
try
{
en = RequireNonNullRef(sources.GetEnumerator(), "The IEnumerable returned a null IEnumerator");
}
catch (Exception ex)
{
observer.OnError(ex);
return(DisposableHelper.EMPTY);
}
var parent = new ConcatCoordinator(observer, en, delayErrors);
parent.Next();
return(parent);
}
