If you're familiar with Haskell, you can probably dive into the "Typelevel Scala" approach. Once you learn how to do ADTs and typeclasses in Scala, you'll be ab

If you're familiar with Haskell, you can probably dive into the "Typelevel Scala" approach. Once you learn how to do ADTs and typeclasses in Scala, you'll be able to make use of scalaz or cats effectively and feel relatively at home.