"M. George Hansen"
I've been playing around with functional reactive programming using Animas/Yampa and ran into a strange situation. I'm using a parallel switch to route input to a collection of signal functions and using the output as feedback (to simulate state). Everything works as expected until I attempt to use zip as a routing function (i.e. pair each element of input with a signal function). Using zip as a routing function causes the program to enter an infinite loop when it evaluates the output from the parallel switch.
I'm not totally sure, but I sense that you may need a one-instant delay in your looping code here:
rec let senses = map (\state -> (inputEvents, state)) states states <- par route activities -< senses
Try adding a one-instant delay by passing the output of your parallel switch through the iPre signal function: states <- iPre [] <<< par route activities -< senses Hope that helps. Greets, Ertugrul -- nightmare = unsafePerformIO (getWrongWife >>= sex) http://ertes.de/