I finally made time for "Functional Programming in Scala" and it was fun. However, I must add that when I tried to use Scala in the real-world, it was consider

I finally made time for "Functional Programming in Scala" and it was fun. However, I must add that when I tried to use Scala in the real-world, it was considerably more complicated due to implicits, CanBuildFrom, and other "invisible hands" (not merely synactic sugar, mind you).