
sometimes i have copied a typedef from a tutorial or demo and get errors. i take the typedef out and the program runs fine. i don't think the problem lies with the person creating the typedef because they are very experienced. is it possible that the matter has to do with the interpreter eg hugs vs ghci and such? or possibly an update of the syntax over time? for instance, i'm going through rex page's "two dozen short lessons in haskell" from uni of oklahoma. they use hugs and the error message for reverse 'x' is completely different from what i get using ghci. -- In friendship, prad ... with you on your journey Towards Freedom http://www.towardsfreedom.com (website) Information, Inspiration, Imagination - truly a site for soaring I's