WithArgs.hs 235 B

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  1. module Main where
  2. import qualified Hanzo
  3. main :: IO ()
  4. main = Hanzo.main $ \ args -> do
  5. case args of
  6. [] -> pure (Left "No arguments provided!")
  7. xs -> do
  8. putStrLn ("Hello, " ++ unwords xs ++ "!")
  9. pure (Right ())