Kyle Cesare kylc
chrisdone
/ monadic.hs
Created
August 29, 2011 22:23
A demonstration of type class design for monadic applications.
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| {-# LANGUAGE DeriveFunctor #-} | |
| {-# LANGUAGE UndecidableInstances #-} | |
| {-# LANGUAGE FlexibleInstances #-} | |
| {-# LANGUAGE GeneralizedNewtypeDeriving #-} | |
| import Control.Monad | |
| import Control.Monad.Identity | |
| import Control.Monad.Writer | |
| import Control.Monad.State | |
| import Control.Arrow | |
| import Data.Maybe |