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doc source examples comments

1.3.0

future-cancel

clojure.core

(future-cancel f)

Cancels the future, if possible.

© Rich Hickey. All rights reserved. Eclipse Public License 1.0

2 Examples top

link | changes
```
user=> (def f (future (Thread/sleep 5000) (inc 0)))
#'user/f

user=> (future-cancel f)                           
true

user=> (future-cancelled? f)                       
true
```
user=> (def f (future (Thread/sleep 5000) (inc 0))) #'user/f user=> (future-cancel f) true user=> (future-cancelled? f) true
link | changes
```
user=> (def f (future (inc 0)))
#'user/f

user=> (future-cancel f)                           
false

user=> (future-cancelled? f)                       
false
```
user=> (def f (future (inc 0))) #'user/f user=> (future-cancel f) false user=> (future-cancelled? f) false

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See Also top

0
clojure.core/future
Takes a body of expressions and yields a future object that will in
0
clojure.core/future?
Returns true if x is a future
0
clojure.core/future-cancelled?
Returns true if future f is cancelled
0
clojure.core/future-done?
Returns true if future f is done

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Source clojure/core.clj:6080 top

(defn future-cancel
  "Cancels the future, if possible."
  {:added "1.1"
   :static true}
  [^java.util.concurrent.Future f] (.cancel f true))

© Rich Hickey. All rights reserved. Eclipse Public License 1.0

Vars in clojure.core/future-cancel:

Used in 0 other vars

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