Hs2048.Main

Main entry point for the console interface to the game.

Documentation

direction :: String -> Maybe Direction

Converts a string into a direction.

>>> direction "\ESC[D"
Just West
>>> direction "<"
Nothing

getChars :: IO (Maybe String)

Gets up to three characters from standard input. If the input corresponds to an arrow key, it will be returned. Otherwise Nothing will be returned. Will only consume enough input to determine if the input is an arrow key or not.

getMove :: IO (Maybe Direction)

Reads from standard input and converts it into a direction. See getChars.

play :: RandomGen r => (Board, r) -> IO ()

Plays the game.