In general, if you can't find what you seek due to terminology differences then search based on what you expect the type to be. In this case you want to provide a measure of time (Ints are common) and have it perform some sort of IO action: Int -> IO () It just so happens that the first result is the correct results: threadDelay from Control.Concurrent. Thomas 2009/3/19 Galchin, Vasili :

Hello,

      I need sleep briefly(1/2 seconds) in code that I have written. I tried searching for "sleep" and "wait" in Hoogle and either didn't get a hit or got something inappropriate. ??

Regards, Vasili

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