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bostonou/future-pure-fn?.clj

Created August 28, 2013 16:53
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future-pure-fn?.clj
(defn future=?
[a f]
(let [begin (System/currentTimeMillis)
v (= a @f)]
(println "Waited" (- (System/currentTimeMillis) begin) "ms")
v))
(let [b (future (Thread/sleep 500) 10)]
(future=? 10 b))
; => Waited 501 ms
; => true
(let [b (future (Thread/sleep 500) 5)]
(future=? 10 b))
; => Waited 501 ms
; => false
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