Another tip: per the doc for 'empty?', (seq s) is preferred over (not
(empty? s)). Oh, and 'str' isn't necessary since 'println' adds spaces
between arguments:

(defn printall [s]
  (when (seq s)
   (println "Item:" (first s))
   (recur (rest s))))

Justin

On Aug 31, 10:57 am, Nicolas Oury <nicolas.o...@gmail.com> wrote:
> One solution to remove it is to use when.
>
>  (when (not (empty? s)
>           (println (str "Item: " (first s)))
>           (recur (rest s))))
>
> As there is only one case for a when, you can give multiple
> instructions for this case without grouping them
> Even better:
>
> (when-not (empty? s)
>      (println (str "Item: " (first s)))
>           (recur (rest s))))

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