clojure.core.async/<!

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Type: function Added: Clojure unknown Examples: 2 Runnable: 0

([port])

takes a val from port. Must be called inside a (go ...) block. Will return nil if closed. Will park if nothing is available.

Examples

by runexec on 2014-10-01 . May have evaluation errors. ▶

(def c (chan 1)) #'user/c (go-loop [data (<! c)] (println "Waited for => " data) (println "No recur. Won't print again")) #<ManyToManyChannel clojure.core.async.impl.channels.ManyToManyChannel@6a3d3df4> (put! c "Example Async Data") nil Waited for => Example Async Data No recur. Won't print again (put! c "Example Async Data") nil

by runexec on 2014-10-01 . May have evaluation errors. ▶

;; Clojure 1.7 (let [c (chan 1 (filter pos?))] (go-loop [] (let [nums (<! c)] (println nums)) (recur)) (doseq [n (range -10 10)] (put! c n))) nil 1 2 3 4 5 6 7 8 9

See also

• clojure.core.async/take! (0)
• clojure.core.async/<!!
• clojure.core.async/>!

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