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);
}
