boolean
| function | since v0.0-927 |  clojure.core/boolean | Edit |
(boolean x)Details:
Return false if x is false or nil. Otherwise return true. This is the
truthiness condition used by if expressions.
Examples:
(boolean 1)
;;=> true
(boolean 0)
;;=> true
(boolean nil)
;;=> false
See Also:
Source docstring:
Coerce to boolean
Source code @ clojurescript:src/main/cljs/cljs/core.cljs
(defn boolean
[x]
(cond
(nil? x) false
(false? x) false
:else true))