Very interesting. One of my favorite aspects of scala is the ease of buildig DSLs with it. On a side note, Scala seems popular at Berkley. (Amplab developed s

Very interesting. One of my favorite aspects of scala is the ease of buildig DSLs with it. On a side note, Scala seems popular at Berkley. (Amplab developed spark using scala) Was that a spontaneous decision by graduate students or is there some faculty members who suggested going the scala way?