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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