On Thu, Feb 18, 2010 at 8:07 AM, Evan Laforge <qdun...@gmail.com> wrote: > And BTW again, here's something I've occasionally found useful: > > -- | Handy to merge or sort a descending list. > reverse_compare :: (Ord a) => a -> a -> Ordering > reverse_compare a b = case compare a b of > LT -> GT > EQ -> EQ > GT -> LT
I wondered why there wasn't one of these in the standard library until someone pointed out to me that reverse_compare = flip compare which actually takes fewer characters to type :P _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe