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1.3.0

gensym

clojure.core

(gensym)
(gensym prefix-string)

Returns a new symbol with a unique name. If a prefix string is
supplied, the name is prefix# where # is some unique number. If
prefix is not supplied, the prefix is 'G__'.

2 Examples top

link | changes
```
user=> (gensym "foo")
foo2020

user=> (gensym "foo")
foo2027

user=> (gensym "foo")
;; ...
```
user=> (gensym "foo") foo2020 user=> (gensym "foo") foo2027 user=> (gensym "foo") ;; ...
link | changes
```
user=> (gensym)
G__2034

user=> (let [my-unique-sym (gensym)]
         my-unique-sym)
G__2075
```
user=> (gensym) G__2034 user=> (let [my-unique-sym (gensym)] my-unique-sym) G__2075

Source clojure/core.clj:525 top

(defn gensym
  "Returns a new symbol with a unique name. If a prefix string is
  supplied, the name is prefix# where # is some unique number. If
  prefix is not supplied, the prefix is 'G__'."
  {:added "1.0"
   :static true}
  ([] (gensym "G__"))
  ([prefix-string] (. clojure.lang.Symbol (intern (str prefix-string (str (. clojure.lang.RT (nextID))))))))

Vars in clojure.core/gensym:

Used in 0 other vars

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Clojure Core

Namespaces

gensym

clojure.core

2 Examples top

See Also top

Source clojure/core.clj:525 top

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