Functions on strings

lines :: String -> [String]
words :: String -> [String]
unlines :: [String] -> String
unwords :: [String] -> String

Converting to and from String

Converting to String

type ShowS = String -> String

class Show a where
        showsPrec :: Int -> a -> ShowS
        show :: a -> String
        showList :: [a] -> ShowS

shows :: Show a => a -> ShowS
showChar :: Char -> ShowS
showString :: String -> ShowS
showParen :: Bool -> ShowS -> ShowS

Converting from String

type ReadS a = String -> [(a, String)]

class Read a where
        readsPrec :: Int -> ReadS a
        readList :: ReadS [a]

reads :: Read a => ReadS a
readParen :: Bool -> ReadS a -> ReadS a
read :: Read a => String -> a
lex :: ReadS String