protected override IStream <TOut> CreateOutputStream(WithPreviousArgs <TIn, TOut> args)
{
var obs = args.Stream.Observable
.Scan <TIn, (FixedQueue <TIn> Queue, TIn[] Items)>((new FixedQueue <TIn>(args.Count), new TIn[] { }), (a, v) =>
{
a.Queue.Enqueue(v);
return(a.Queue, a.Queue.ToArray().Reverse().ToArray());
})
.Map(i => args.GetResult(i.Items));
return(base.CreateUnsortedStream(obs));
}
public WithPreviousStreamNode(string name, WithPreviousArgs <TIn, TOut> args) : base(name, args)
{
}