ref: 5a6e20ca64a3a59cfef8d4bb9167e7c7532374e4
dir: /Example.hs/
module Example(fac, main) where
import Prelude
fac :: Int -> Int
fac 0 = 1
fac n = n * fac(n - 1)
main :: IO ()
main = do
let
rs = map fac [1,2,3,10]
putStrLn "Some factorials"
print rs