Printing elements of a list on new lines

Question

I am trying to print the elements of my list onto new lines, but i cant get it to work;

printElements :: [String] -> IO()
printElements (x:xs) =  print x          


        

Answer 1

Your function is:

printElements :: [String] -> IO()
printElements [] = return ()
printElements (x:xs) = do putStrLn x
                          printElements xs

If you already know about monads, you can use mapM_ function:

printElements :: [String] -> IO()
printElements = mapM_ putStrLn

Note: maybe you would have to read the chapter 8 of lyah.