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Ingy döt Net 2013-04-10 12:38:42 -07:00
parent 3af7344581
commit 86c034bb8b
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7
Task/Determine-if-a-string-is-numeric/Clojure/determine-if-a-string-is-numeric-1.clj Normal file
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(defn numeric? [s]
(if-let [s (seq s)]
(let [s (if (= (first s) \-) (next s) s)
s (drop-while #(Character/isDigit %) s)
s (if (= (first s) \.) (next s) s)
s (drop-while #(Character/isDigit %) s)]
(empty? s))))

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Task/Determine-if-a-string-is-numeric/Clojure/determine-if-a-string-is-numeric-2.clj Normal file
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(numeric? [\1 \2 \3]) ;; yields logical true