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      vswap!

      clojure.core

      Available since 1.7 (source)
      • (vswap! vol f & args)
      Non-atomically swaps the value of the volatile as if:
 (apply f current-value-of-vol args). Returns the value that
 was swapped in.
      © Rich Hickey. All rights reserved. Eclipse Public License 1.0
      1 Example
      (let [interrupt (volatile! false)
      f1 (future (Thread/sleep 1000)
                 (vswap! interrupt not))
      f2 (future (while (not @interrupt)
                        (println "Another cycle!")
                        (Thread/sleep 100)))]
  @f1
  @f2)
      See Also
      clojure.core/volatile!

      Creates and returns a Volatile with an initial value of val.

      Added by kumarshantanu
      clojure.core/vreset!

      Sets the value of volatile to newval without regard for the current value. Returns newval.

      Added by didibus
      clojure.core/volatile?

      Returns true if x is a volatile.

      Added by didibus
      clojure.core/swap!

      Atomically swaps the value of atom to be: (apply f current-value-of-atom args). Note that f may be...

      Added by didibus
      0 Notes
      No notes for vswap!