module List2 where import Language.Fay.FFI import Language.Fay.Prelude main = print (showList (take 5 (let ns = 1 : map' (foo 123) ns in ns))) foo x y = x * y / 2 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)"