Initial data commit

Task/Optional-parameters/Ada/optional-parameters-1.ada

@@ -0,0 +1,14 @@
+package Tables is
+
+   type Table is private;
+
+   type Ordering is (Lexicographic, Psionic, ...); -- add others
+
+   procedure Sort (It               : in out Table;
+                   Order_By         : in Ordering := Lexicographic;
+                   Column           : in Positive := 1;
+                   Reverse_Ordering : in Boolean  := False);
+
+private
+   ... -- implementation specific
+end Tables;