Arie,
Ok, so when do I use nub instead of 'map head.group.sort' ?
Well, for one thing, |map head . group . sort| produces a sorted list, wheras |nub| preserves the order of the input list.
Cheers, Stefan _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe
