You may want to look at
https://clojuredocs.org/clojure.core/case
https://clojuredocs.org/clojure.core/cond
On Friday, February 20, 2015 at 11:01:43 AM UTC+1, Cecil Westerhof wrote:
>
> I have a function to check the parameters of another function:
> (defn params-correct-lucky-numbers
> [upto]
> (let [max (* 10 1000 1000)]
> (if (< upto 1)
> (do
> (println "The parameter upto should at least be 1")
> false)
> (if (> upto max)
> (do
> (printf "The parameter upto should be below %d\n" (inc
> max))
> false)
> true))))
>
> I am used to something like:
> Boolean params-correct-lucky-numbers(int upto) {
> final int MAX = 10_000_000;
>
> if (upto < 1) {
> System.out.println("The parameter upto should at least be
> 1");
> return false;
> }
> if (upto > MAX) {
> System.out.printf("The parameter upto should be below
> %d\n", MAX + 1);
> return false;
> }
> return true;
> }
>
> Personally I find this clearer. In this case it is not a big deal, but
> when you have to check 20 parameters …
>
> Could the Clojure function be rewritten into something resembling the Java
> function? (In a functional way of-course.)
>
> --
> Cecil Westerhof
>
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