Update ctod.dd

Add simpler example for dynamic array extension.

Author: schlupa

articles/ctod.dd

@@ -325,6 +325,15 @@ array.length = array.length + 1;
 array[array.length - 1] = x;
 ----------------------------
 
+or simply:
+
+----------------------------
+int[] array;
+int x;
+array ~= x;
+----------------------------
+
+
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