fizzbuzz.hs

import System.Environment (getArgs)
import Control.Monad (mapM_)

fizzOrBuzz :: Integer -> String
fizzOrBuzz n
  | n `mod` 15 == 0 = "FizzBuzz"
  | n `mod` 3  == 0 = "Fizz"
  | n `mod` 5  == 0 = "Buzz"
  | otherwise       = show n

fizzList :: Integer -> [String]
fizzList n = map fizzOrBuzz [1..n]

main :: IO ()
main = do
  [n] <- getArgs
  mapM_ putStrLn . fizzList $ read n