We only looked at a handful of concepts covered by the Scalaz library. It contains much more than just that. You can think of Scalaz as an addition to Scala that makes it even more functional. It provides various type classes, data types, pimp my library instances for standard collections, out-of-the-box functionality for various standard types, and so on. The purposes also vary—from writing purely functional applications to making your code more readable. Scalaz is so vast that we can write a separate book about it.
It seems that people find it difficult to use Scalaz at first and only later do they get to know the possibilities it provides. We would like to encourage you to become familiar with the documentation ...
