public _(SelectMany <TSource, TCollection, TResult> parent, IObserver <TResult> observer, IDisposable cancel) : base(observer, cancel) { _parent = parent; _indexInSource = -1; }
public SelectManyImpl(SelectMany <TSource, TCollection, TResult> parent, IObserver <TResult> observer, IDisposable cancel) : base(observer, cancel) { _parent = parent; }