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doc source examples comments

1.3.0

time

clojure.core

(time expr)

Evaluates expr and prints the time it took. Returns the value of
expr.

2 Examples top

link | changes
```
user> (time (Thread/sleep 100))
"Elapsed time: 100.284772 msecs"
nil
```
user> (time (Thread/sleep 100)) "Elapsed time: 100.284772 msecs" nil
link | changes
```
;when working with lazy seqs
(time (doall (...)))
```
;when working with lazy seqs (time (doall (...)))

Source clojure/core.clj:3422 top

(defmacro time
  "Evaluates expr and prints the time it took.  Returns the value of
 expr."
  {:added "1.0"}
  [expr]
  `(let [start# (. System (nanoTime))
         ret# ~expr]
     (prn (str "Elapsed time: " (/ (double (- (. System (nanoTime)) start#)) 1000000.0) " msecs"))
     ret#))

Vars in clojure.core/time:

Used in 0 other vars

ClojureDocs(beta)

Clojure Core

Namespaces

time

clojure.core

2 Examples top

See Also top

Source clojure/core.clj:3422 top

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