apeckham

(defn get-free-port []
  (with-open [socket (ServerSocket. 0)]
    (.getLocalPort socket)))

thickey

;; An implementation of the rock-paper-scissors variant -
;; rock-paper-scissors-lizard-spock - based on Alex Miller's core.async
;; implementation.

;; - http://tech.puredanger.com/2013/07/10/rps-core-async/
;; - https://gist.github.com/puredanger/5965883
;; - https://github.com/relevance/labrepl/blob/master/src/solutions/rock_paper_scissors.clj
;; - http://www.imdb.com/title/tt1256039/quotes?item=qt0493730

(require 'clojure.core.async :refer :all)

puredanger

(require 'clojure.core.async :refer :all)

(def MOVES [:rock :paper :scissors])
(def BEATS {:rock :scissors, :paper :rock, :scissors :paper})

(defn rand-player
  "Create a named player and return a channel to report moves."
  [name]
  (let [out (chan)]
    (go (while true (>! out [name (rand-nth MOVES)])))

pipe.clj

(defn pipe
  "Returns a vector containing a sequence that will read from the
   queue, and a function that inserts items into the queue.

   Source: http://clj-me.cgrand.net/2010/04/02/pipe-dreams-are-not-necessarily-made-of-promises/"
  []
  (let [q (LinkedBlockingQueue.)
        EOQ (Object.)
        NIL (Object.)
        s (fn queue-seq []