main :: IO ()
main = do print (a ! 5) `catch` \e -> print (e :: SomeException)
          print (b ! (0,5)) `catch` \e -> print (e :: SomeException)
main :: IO ()
main = do print (a ! 5) `catch` \e -> print (e :: SomeException)
          print (b ! (0,5)) `catch` \e -> print (e :: SomeException)
main = do print (a ! 5) `catch` \e -> print (e :: SomeException)
          print (b ! (0,5)) `catch` \e -> print (e :: SomeException)