The xml stuff is more the exception than the rule. They've moved away from that approach. Whether to keep it at all has been discussed quite a bit. It would be

The xml stuff is more the exception than the rule. They've moved away from that approach. Whether to keep it at all has been discussed quite a bit. It would be more fair to look at the newer code in the collection framework to paint what is considered "best practice" by the creators of Scala.