main = print (showList (take 5 (let ns = 1 : map (\x -> x + 1) ns in ns))) take 0 _ = [] take n (x:xs) = x : take (n - 1) xs map f [] = [] map f (x:xs) = f x : map f xs print :: String -> Fay () print = ffi "console.log(%1)" showList :: [Double] -> String showList = ffi "JSON.stringify(%1)"