Graphics.Rendering.OpenGL.GL.StateVar

Description

Synopsis

• class HasGetter g where
  • get :: g a -> IO a
• data GettableStateVar a
• makeGettableStateVar :: IO a -> GettableStateVar a
• class HasSetter s where
  • ($=) :: s a -> a -> IO ()
• set :: [IO ()] -> IO ()
• data SettableStateVar a
• makeSettableStateVar :: (a -> IO ()) -> SettableStateVar a
• data StateVar a
• makeStateVar :: IO a -> (a -> IO ()) -> StateVar a
• ($~) :: (HasGetter v, HasSetter v) => v a -> (a -> a) -> IO ()
• ($=!) :: HasSetter s => s a -> a -> IO ()
• ($~!) :: (HasGetter v, HasSetter v) => v a -> (a -> a) -> IO ()

Documentation