On Thu, Oct 24, 2013 at 5:32 PM, Kelker Ryan <[email protected]> wrote:
> Try this.
>
> (defn my-filter [pred? coll]
> (loop [c coll
> ret (empty c)]
> (if-let [x (first c)]
> (if (pred? x)
> (recur (rest c) (lazy-cat ret [x]))
> (recur (rest c) ret))
> ret)))
>
While we are on loop/recur and if-let: How would if-let version of my
function common divisors look like? Would I benefit from it in any way?
(defn cds [x y]
(loop [a x
b y
result []]
(if (= 0 (rem a b))
(conj result b)
(recur b (rem a b) (conj result (int (/ a b)))))))
--
Regards
Bartosz Kaliszuk
bartosz(dot)kaliszuk(at)gmail(dot)com
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