here's some pretty good haskell cheats. [[well nigh impossible to cover all the language extensiosn in a short doc]]

http://www.cl.cam.ac.uk/~ns441/files/thips.pdf

http://blog.codeslower.com/static/CheatSheet.pdf

http://strictlypositive.org/slicing-jpgs/ (handdrawn!)

http://blog.ezyang.com/2011/11/how-to-read-haskell/

http://www.fing.edu.uy/inco/cursos/proggen/Transparencias/Po...