public Distinct(DistinctObservable <T> parent, IObserver <T> observer, IDisposable cancel)
: base(observer, cancel)
{
hashSet = (parent.comparer == null)
? new HashSet <T>()
: new HashSet <T>(parent.comparer);
}
public Distinct(DistinctObservable <T, TKey> parent, IObserver <T> observer, IDisposable cancel) : base(observer, cancel)
{
this.parent = parent;
this.hashSet = ((parent.comparer != null) ? new HashSet <TKey>(parent.comparer) : new HashSet <TKey>());
}
