Files
book-exercises/Haskell-book/16/HeavyLifting.hs

17 lines
351 B
Haskell

module HeavyLifting where
a = fmap (+1) $ read "[1]" :: [Int]
b = (fmap . fmap) (++ "lol") (Just ["Hi,", "Hello"])
c = fmap (*2) (\x -> x - 2)
d =
fmap ((return '1' ++) . show)
(\x -> [x, 1..3])
e :: IO Integer
e = let ioi = readIO "1" :: IO Integer
changed = fmap read $ fmap ("123" ++) $ fmap show ioi
in fmap (*3) changed