Factorial base numbers indexing permutations of a collection: Difference between revisions

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@@ Line 152: / Line 152: @@
     for n := 0; ; n++ {
         radix := 2
-        res := make([]int, size)
+        var res []int = nil
+        if !countOnly {
+            res = make([]int, size)
+        }
         k := n
         for k > 0 {