I recommend looking at . and $ to make code more readable (by preventing unnecessary brackets) product $ map (\x -> x^x) [1..5] (.) :: (b -> c) -> (a

I recommend looking at . and $ to make code more readable (by preventing unnecessary brackets) product $ map (\x -> x^x) [1..5] (.) :: (b -> c) -> (a -> b) -> a -> c ($) :: (a -> b) -> a -> b => f (g (h x)) == f . g . h $ 5