No, it wasn't impossible to follow, but the extra layer of indirection made me jump back to the top a few times to make sure I had everything straight. //L

No, it wasn't impossible to follow, but the extra layer of indirection made me jump back to the top a few times to make sure I had everything straight. //Legacy abstract class Lannister //Father trait Tywin extends Lannister could have just been: abstract class Family trait Father extends Family Otherwise, I appreciate the article - it was informative.