Spending a little time with the unofficial Scala Style guide (http://davetron5000.github.com/scala-style/index.html http://davetron5000.github.com/scala-style/i

Spending a little time with the unofficial Scala Style guide (http://davetron5000.github.com/scala-style/index.html http://davetron5000.github.com/scala-style/index.html) helped me figure out some of the "when? why?" questions.