public IDisposable Subscribe(IObserver <T> observer)
{
var consumer = SafeObserver <T> .Wrap(observer);
//
// [OK] Use of unsafe Subscribe: non-pretentious transparent wrapping through remoting; exception coming from the remote object is not re-routed.
//
var d = _remotableObservable.Subscribe/*Unsafe*/ (new RemotableObserver <T>(consumer));
consumer.SetResource(d);
return(d);
}
private static void Subscribe_ <T>(this IObservable <T> source, IObserver <T> observer, CancellationToken token)
{
if (token.CanBeCanceled)
{
if (!token.IsCancellationRequested)
{
var consumer = SafeObserver <T> .Wrap(observer);
//
// [OK] Use of unsafe Subscribe: exception during Subscribe doesn't orphan CancellationTokenRegistration.
//
var d = source.Subscribe/*Unsafe*/ (consumer);
consumer.SetResource(token.Register(state => ((IDisposable)state).Dispose(), d));
}
}
else
{
source.Subscribe(observer);
}
}