clojure.core/neg?

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Type: function Added: Clojure 1.0 Examples: 3 Runnable: 2

([num])

Returns true if num is less than zero, else false

Examples

by dpritchett on 2010-07-14 ▶

(neg? -1) true (neg? 0) false (neg? 1) false

by Lacty on 2016-08-12 ▶

(neg? -0.1) true (neg? 0.1) false

by berczeck on 2020-08-25 . May have evaluation errors. ▶

(neg? 1/2) ;; false (neg? -1/2) ;; true (neg? {}) ;; Execution error (ClassCastException) at user/eval3801 (REPL:1). ;; clojure.lang.PersistentArrayMap cannot be cast to java.lang.Number

See also

• clojure.core/pos? (2)
• clojure.core/zero?

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