public OrderedObservable( IObservable <TSource> source, Func <TSource, IObservable <TKey> > observableKeySelector, bool descending, OrderedObservable <TSource> parent) : this(source, observableKeySelector, descending) { Contract.Requires(source != null); Contract.Requires(observableKeySelector != null); Contract.Requires(parent != null); this.parent = parent; }
public OrderedObservable( IObservable <TSource> source, Func <TSource, TKey> keySelector, IComparer <TKey> comparer, bool descending, OrderedObservable <TSource> parent) : this(source, keySelector, comparer, descending) { Contract.Requires(source != null); Contract.Requires(keySelector != null); Contract.Requires(parent != null); this.parent = parent; }