A couple of days ago I had need for: > concatM :: Monad m => [m [a]] -> m [a] > concatM = liftM concat . sequence
but found no such thing in the std libs, except perhaps for msum (I don't want to add instances for MonadPlus. Should I have to?). Have I missed something trivial? Alistair _______________________________________________ Haskell-Cafe mailing list [email protected] http://www.haskell.org/mailman/listinfo/haskell-cafe
