Miguel Mitrofanov wrote: > AG> Wondering about time space consuming: 'nub' vs 'map > AG> head.group.sort' > > Prelude> :t Data.List.nub > Data.List.nub :: (Eq a) => [a] -> [a] > Prelude> :t Data.List.sort > Data.List.sort :: (Ord a) => [a] -> [a] > > nub uses less information than sort, so it MUST be slower. Ok, so when do I use nub instead of 'map head.group.sort' ?
Using nub gave me a lot of trouble in terms of time consumption while handling long lists. @@i=arie _______________________________________________ Haskell-Cafe mailing list [email protected] http://www.haskell.org/mailman/listinfo/haskell-cafe
