Scala 2.8 CanBuildFrom

Question

Following on from another question I asked, Scala 2.8 breakout, I wanted to understand a bit more about the Scala method TraversableLike[A].map whose s

Answer 1

object ArrayBuffer extends SeqFactory[ArrayBuffer] {
  /** $genericCanBuildFromInfo */
  implicit def canBuildFrom[A]: CanBuildFrom[Coll, A, ArrayBuffer[A]] = new GenericCanBuildFrom[A]
  def newBuilder[A]: Builder[A, ArrayBuffer[A]] = new ArrayBuffer[A]
}