BSD-3-Clause licensed by Moritz Clasmeier
Maintained by [email protected]
This version can be pinned in stack with:async-timer-,2048

Module documentation for

async-timer Hackage version Stackage version Build Status


This is a lightweight package built on top of the async package providing easy to use periodic timers. This can be used for executing IO actions periodically.


      let conf = defaultTimerConf & timerConfSetInitDelay  500 -- 500 ms
                                  & timerConfSetInterval  1000 -- 1 s
      withAsyncTimer conf $ \ timer -> do
        forM_ [1..10] $ \_ -> do
          timerWait timer
          putStrLn "Tick"