Type classes and purely functional data structures for Scala

Scalaz is a library for .

It provides purely functional data structures to complement those from the Scala standard library. It defines a set of foundational type classes (e.g. Functor, Applicative, Monad) and corresponding instances for a large number of data structures.

More information is available on the Scalaz Project page.

It is released under the BSD (open source) license.