[Haskell-cafe] Atom - help.

[miaubiz]

would the way you implemented random in Unit.hs work here? an external
variable whose name is the function that returns input.

compass :: Atom (E Int16)
compass = int16' "readCompass()" >>= (return . value)

something <- int16' "something"
period 1 $ atom "navigate" $ do
  heading <- compass
  something <== heading

br, miaubiz


Tom Hawkins-2 wrote:
> 
> The work around is to assign the result to an external variable.  The
> drawback is the result will not be available until the rule executing
> the action has completed.
> 
> results <- bool' "result"   -- Global, external variable to capture
> result.
> action (\ [a, b, c] -> printf "result = function(%s, %s %s)" a b c) [a, b,
> c]
> 

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