For debugging Haskell, use trace to print things inside pure functions. http://stackoverflow.com/questions/3546592/how-to-debug-haskell-with-printfs http://stac

For debugging Haskell, use trace to print things inside pure functions. http://stackoverflow.com/questions/3546592/how-to-debug-haskell-with-printfs http://stackoverflow.com/questions/3546592/how-to-debug-hask...