clojure.core/rational?

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

([n])

Returns true if n is a rational number

Examples

by dpritchett on 2010-07-14 ▶

(rational? 1) true (rational? 1.0) false (class 1.0) java.lang.Double ;; Note that decimal? only returns true if n is a BigDecimal.

by TradeIdeasPhilip on 2016-05-14 ▶

;; Both True (ratio? 22/7) ;; => true (rational? 22/7) ;; => true ;; Different (ratio? 22) ;; => false (rational? 22) ;; => true ;; Both False (ratio? 0.5) ;; => false (rational? 0.5) ;; => false

See also

• clojure.core/ratio? (2)
• clojure.core/decimal?

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