public _(ToLookup <TSource, TKey, TElement> parent, IObserver <ILookup <TKey, TElement> > observer) : base(observer) { _keySelector = parent._keySelector; _elementSelector = parent._elementSelector; _lookup = new Lookup <TKey, TElement>(parent._comparer); }
public _(ToLookup <TSource, TKey, TElement> parent, IObserver <ILookup <TKey, TElement> > observer, IDisposable cancel) : base(observer, cancel) { _parent = parent; _lookup = new Lookup <TKey, TElement>(_parent._comparer); }