protected override IObservable <IChangeSet <int> > CreateObservable()
{
var l = new List <IObservable <IChangeSet <int> > > {
Source1.Connect(), Source2.Connect()
};
return(l.Except());
}
protected override IObservable <IChangeSet <int> > CreateObservable()
{
return(Source1.Connect().Except(Source2.Connect()));
}
