Index of Pile functionality

pile :: [DisplayHandle] -> Component (Pile, DisplayHandle)

pileUp   :: Pile -> IO ()
pileDown :: Pile -> IO ()

pileTop  :: Pile -> IO ()
pileBottom :: Pile -> IO ()
pileGoto   :: Pile -> Int -> IO ()

getPileSize :: Pile -> IO Int
getPilePos  :: Pile -> IO Int

getPileComponents :: Pile -> IO [DisplayHandle]
setPileComponents :: Pile -> [DisplayHandle] -> IO ()
addPileBottom :: Pile -> [DisplayHandle] -> IO ()
addPileTop    :: Pile -> [DisplayHandle] -> IO ()
addPileBelow  :: Pile -> [DisplayHandle] -> IO ()
addPileAbove  :: Pile -> [DisplayHandle] -> IO ()