Pattern matching, immutability, option types, combinators, traits are not advanced features in Scala. They are fundamental concepts. To be productive in Scala,

Pattern matching, immutability, option types, combinators, traits are not advanced features in Scala. They are fundamental concepts. To be productive in Scala, write in Scala. Otherwise, you will needlessly waste a huge chunk of your life, including having to go back and clean up your messes.