[Haskell-beginners] "sleep" in Haskell

Michael Mossey mpm at alumni.caltech.edu
Wed Oct 14 16:54:43 EDT 2009

Hi Joe,

My program does not need to be threaded, so initially I ignored 
System.Thread, but perhaps either

(1) This particular function can be used in a single-thread process


(2) I need to learn how to use threads if I want to place IO operations in 


Joe Fredette wrote:
> As I recall, System.Thread (or something similar) provides 
> "threadSleep". A quick hoogle ought to find it.
> hoogle -> haskell.org/hoogle
> On Oct 14, 2009, at 4:50 PM, Michael Mossey wrote:
>> I can't find a "sleep" function in Haskell. This relates to my wish to 
>> use PortMidi and control the timing of actions. Maybe there is another 
>> way to do this sort of thing in Haskell. Can anyone help, either with 
>> PortMidi or just a general explanation of how IO operations could be 
>> placed at certain points in time?
>> Thanks,
>> Mike
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