clojure.core/some?

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Type: function Added: Clojure 1.6 Examples: 4 Runnable: 4

([x])

Returns true if x is not nil, false otherwise.

Examples

by klimenko-serj on 2015-08-07 ▶

(some? nil) ;; => false (some? 42) ;; => true (some? false) ;; => true (some? []) ;; => true (some? {}) ;; => true (some? '()) ;; => true

by phreed on 2017-12-26 ▶

;; equivalent to implementing not-nil? (some? :kw) ;; => true (not (nil? :kw)) ;; => true (some? nil) ;; => false (not (nil? nil)) ;; => false

by surferHalo on 2024-06-30 ▶

;; good companion with "some" if you want boolean return (some #{1 2 3} [4]) ;; => nil (some? (some #{1 2 3} [4])) ;; => false (some #{1 2 3} [1]) ;; => 1 (some? (some #{1 2 3} [1])) ;; => true

by jacoobes on 2024-08-04 ▶

(some? 0) ;; => true

See also

• clojure.core/nil? (2)
• clojure.core/some (15)

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