This library supplies the MaybeT monad transformer and a MonadMaybe type class. For more information on monad transformers, see: Functional Programming with Overloading and Higher-Order Polymorphism, Mark P Jones (http://www.cse.ogi.edu/~mpj/) Advanced School of Functional Programming, 1995. To install, type: runhaskell Setup.hs configure runhaskell Setup.hs build runhaskell Setup.hs install To build documentation, make sure Haddock is installed, and type: runhaskell Setup.hs haddock