Self-describing numbers: Difference between revisions

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 3211000
 42101000</pre>
-===Alternative With "Optimisations"===
+===Alternative With "Optimizations"===
 Here is an alternative implementation of <em>isSelfDescribing()</em> that
 illustrates additional computationally cheap ways of partially eliminating
@@ Line 3,637: / Line 3,637: @@
         // should equal the number of digits in the number
         var sum: u32 = 0;
-        for (digits, 0..) |n, index| sum += n * @truncate(u32, index);
+        for (digits, 0..) |n, index| sum += n * @as(u32, @truncate(index));
         if (sum != digits.len) return false;
     }