You're viewing version 1.2.0 of rational?. The latest stable version of Clojure Core is 1.3.0.
1.2.0 Arrow_down_16x16

rational?

clojure.core

  • (rational? n)

1 Example top

  • user=> (rational? 1)
    true
    user=> (rational? 1.0)
    false
    user=> (class 1.0)
    java.lang.Double
    
    ;; Note that decimal? only returns true if n is a BigDecimal.
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Plus_12x12 Minus_12x12 Source clojure/core.clj:2774 top

(defn rational? [n]
  "Returns true if n is a rational number"
  {:added "1.0"}
  (or (integer? n) (ratio? n) (decimal? n)))
Vars in clojure.core/rational?: decimal? defn integer? or ratio?
Used in 0 other vars

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