> On 23 Jan 2016, at 10:50, Timo Kinnunen <timo.kinnu...@gmail.com> wrote: > > Hi, > > The pipeline stages don’t really need to mutate themselves (as they can > mutate the Stream if needed). So they should be shareable between Streams, > alleviating some of cost of creating new copies of a Stream, right?
Yes, we want to avoid creating new stages (Stream instances) in the pipeline for stuff that can be associated more efficiently as state of the pipeline (attached to the head) Paul.
