On 24/05/2011, at 5:49 AM, Alexander Solla wrote: > There's a library function for it, but also: > > > filter ((/=) Nothing)
The problem with that in general is that it only applies to [Maybe t] if Eq t, but you don't actually _need_ t to support equality. filter isJust will do the job, where isJust is in Data.Maybe. _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe
