Multisyms for easier access into structures.

examples/primes.janet

@@ -4,10 +4,10 @@
   "Returns a list of prime numbers less than n."
   [n]
   (def list @[])
-  (loop [i :range [2 n]]
+  (for i 2 n
     (var isprime? true)
     (def len (length list))
-    (loop [j :range [0 len]]
+    (for j 0 len
       (def trial (get list j))
       (if (zero? (% i trial)) (:= isprime? false)))
     (if isprime? (array.push list i)))