+ static void In (ref int a)
+ {
+ a++;
+ }
+
+ static void Out (ref int a)
+ {
+ In (ref a);
+ }
+
+ static int AddArray (params int [] valores)
+ {
+ int total = 0;
+
+ for (int i = 0; i < valores.Length; i++)
+ total += valores [i];
+
+ return total;
+ }
+