On Tue, Jul 9, 2013 at 1:22 PM, Denis Papathanasiou <
[email protected]> wrote:
> (defn get-length-match [my-list target-length counted-length ind]
> (let [current-len (count (first my-list))]
> (if (>= counted-length target-length)
> ind
> (recur (rest my-list) target-length (+ counted-length current-len)
> (inc ind)))))
>
> Ideally, I'd want the counted-length and ind parameters to be optional,
> defaulting to 0 and -1 respectively, but I wasn't sure if clojure allows
> for it (trying to define defaults for those in the function gave me a
> compiler error).
>
What you're looking for is:
(defn get-length-match [my-list target-length]
(loop [my-list my-list, counted-length 0, ind -1]
...))
In your recur, you can now omit target-length, but the rest of the code
stays the same.
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