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1.3.0 permalink

1.2.0
1.3.0

long

clojure.core

(long x)

Coerce to long

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

2 Examples top

link | changes
```
user=> (let [num (* 1234567890 21)] [num (int num) (long num)])
[25925925690 156121914 25925925690]
```
user=> (let [num (* 1234567890 21)] [num (int num) (long num)]) [25925925690 156121914 25925925690]
link | changes
```
user=> (= 21 (long 21))
true 

;; but
user=> (.equals 21 (long 21))
false 

;; and thus
user=> (get {21 :twenty-one} (long 21))
nil 
```
user=> (= 21 (long 21)) true ;; but user=> (.equals 21 (long 21)) false ;; and thus user=> (get {21 :twenty-one} (long 21)) nil

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See Also top

0
clojure.core/int
Coerce to int
0
clojure.core/longs
Casts to long[]
0
clojure.core/long-array
Creates an array of longs

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Source clojure/core.clj:3066 top

(defn long
  "Coerce to long"
  {:inline (fn  [x] `(. clojure.lang.RT (longCast ~x)))
   :added "1.0"}
  [^Number x] (clojure.lang.RT/longCast x))

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

Vars in clojure.core/long:

Used in 0 other vars

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