I'm programming a Lispy PDDL parser for the AI Planning class at Coursera.
How can I define a Lispy datatype in Haskell?
My Lispy PDDL Parser:
https://dl.dropbox.com/u/46434672/Code/LispyPddlParser.hs
The DWR-operators.txt file:
https://spark-public.s3.amazonaws.com/aiplan/resources/DWR-operators.txt