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ScalazPosted on December 18, 2007
Scalaz is a library written using the Scala Programming Language and tested using ScalaCheck (maintained by myself and Rickard Nilsson) automated specification-based testing. It is released under a BSD open source licence.
The Either Algebraic Data Type and general functions over that type
Enhanced Option type
Control package (Functor, Monad, MonadPlus, Foldable, etc.)
Transparent memoisation, loosley inspired by a paper written by Simon Peyton-Jones, Simon Marlow, and Conal Elliott (IFL ’99) titled, “Stretching the storage manager: weak pointers and stable names in Haskell”
Validation package for web form field validation (using Either and monadic functions across it)