With the advent of TraversableOnce, it can be useful to have a builder which
operates on Iterators so they can be treated uniformly along with the collections.
With the advent of TraversableOnce, it can be useful to have a builder which
operates on Iterators so they can be treated uniformly along with the collections.
See scala.util.Random.shuffle or scala.concurrent.Future.sequence for an example.
Evidence for building collections from TraversableOnce collections