Moduleauto-update-0.2.8Haskell2010

Control.AutoUpdate.Internal

Contents

Debugging

Synopsis

data UpdateState
value mkClosableAutoUpdate
value mkClosableAutoUpdate'

Packageauto-update-0.2.8
Exports3
LanguageHaskell2010
LicenceMIT
SourceEvent.hs

Debugging

datadata UpdateState a

Constructors

UpdateState
- usUpdateAction_ :: a -> IO a
- usLastResult_ :: IORef a
- usIntervalMicro_ :: Int
- usTimeHasCome_ :: TVar Bool
- usDeleteTimeout_ :: IORef (IO ())

valuemkClosableAutoUpdate :: UpdateSettings a -> IO (IO a, IO ())

Source#

Example7 expressions

>>> iref <- newIORef (0 :: Int)>>> action = modifyIORef iref (+ 1) >> readIORef iref>>> (getValue, closeState) <- mkClosableAutoUpdate $ defaultUpdateSettings { updateFreq = 200_000, updateAction = action }>>> getValue1>>> threadDelay 100_000 >> getValue1>>> threadDelay 200_000 >> getValue2>>> closeState

valuemkClosableAutoUpdate' :: UpdateSettings a -> IO (IO a, IO (), UpdateState a)

Source#

provide UpdateState for debugging