In some languages, split-at is more performant than doing take and
drop separately. But in Clojure, split-at is simply defined as:
(defn split-at
"Returns a vector of [(take n coll) (drop n coll)]"
[n coll]
[(take n coll) (drop n coll)])
So by using split-at, you gain nothing other than the additional
overhead of constructing a vector and then turning around and
destructuring it.
On Wed, Apr 21, 2010 at 10:11 AM, Michał Marczyk
<[email protected]> wrote:
> One could also do
>
> (defn rotate [n s]
> (let [[front back] (split-at (mod n (count s)) s)]
> (concat back front)))
>
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