Jean-Baptiste Mazon jmazon
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| import Data.IORef | |
| import Control.Arrow ((***)) | |
| import Control.Monad (when,void) | |
| import Graphics.UI.Gtk hiding (rectangle) | |
| import Graphics.Rendering.Cairo | |
| type SR = IORef (Maybe Surface) | |
| clearSurface :: Surface -> IO () | |
| clearSurface surface = |