Re: [Haskell-beginners] IO action on a list of [IO a]

On 06.10.2012 16:16, Manfred Lotz wrote:

Hi all, I want to do an IO action on a list of [IO a] like this:

myfor :: (a -> IO () ) -> [IO a] -> IO () myfor _ [] = return () myfor f (x:xs) = do x' <- x f x' myfor f xs

Is there a library function doing just this?

You could do: mapM_ (\x -> x >>= f) xs