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Broadcaster

Synopsis

data Broadcaster x delta newBroadcaster :: (x -> delta -> x) -> x -> IO (Broadcaster x delta) newGeneralBroadcaster :: (x -> delta -> Maybe x) -> x -> IO (Broadcaster x delta) updateBroadcaster :: Broadcaster x delta -> delta -> IO ()

Documentation

data Broadcaster x delta

newBroadcaster :: (x -> delta -> x) -> x -> IO (Broadcaster x delta)

Like newGeneralBroadcaster, but apply function always updates.

newGeneralBroadcaster :: (x -> delta -> Maybe x) -> x -> IO (Broadcaster x delta)

Make a new one.

updateBroadcaster :: Broadcaster x delta -> delta -> IO ()

the most general update function

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