Update app/Main.hs

dtekcth · Sep 27, 2023 · cf3b97d · cf3b97d
1 parent 1658cff
commit cf3b97d
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/app/Main.hs b/app/Main.hs
@@ -69,8 +69,8 @@ usage = putStrLn $ usageInfo "mat-chalmers [OPTION...]" opts
 
 main :: IO ()
 main = do
-  args <- reifyConfig . getOpt Permute opts <$> getArgs
-  case args of
+  (reifyConfig . getOpt Permute opts <$> getArgs)
+  >>= \case 
     (_                  , _    , _ : _) -> usage
     (_                  , _ : _, _    ) -> usage
     (Config{_cHelp=True}, _    , _    ) -> usage