So far, this is the only way I've figured out that works:
(defn try-fib [n]
(let [ch (timeout 1000)
th (Thread. #(>!! ch (fib n)))
_ (.start th)
answer (<!! ch)]
(if answer answer
(do (.stop th) nil))))
But there are a couple bazillion sources that say you should never, ever
stop a thread. Is it perfectly safe in a situation like this where the
thread is running a pure function with no mutable state?
Is there a better approach that is more integrated with core.async and more
safe?
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