Deniz Dogan wrote: > 2009/6/14 Jochem Berndsen <joc...@functor.nl>: >> Toby Miller wrote: >>> caps1 s = all (\x -> isUpper (head x)) (words s) >> This seems fine, but you need to check that words never returns a list >> containing the empty string (otherwise `head' will fail). > > Is there any such case? I was thinking about that as well, but > couldn't think of any case where head would be called on an empty > list.
Not that I know of; but I tested this in order to make sure that I didn't overlook something obvious. (At least, it's a potential issue that we need to check, since `head' is partial.) Regards, -- Jochem Berndsen | joc...@functor.nl GPG: 0xE6FABFAB _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe
