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+
+
+--  Programmed by Jedidiah Barber
+--  Licensed under the Sunset License v1.0
+
+--  See license.txt for further details
+
+
+with
+
+    Ada.Containers.Multiway_Trees,
+    Ada.Text_IO,
+    Kompsos.Advanced_Reify,
+    Kompsos.Pretty_Print;
+
+
+procedure Trees is
+
+    package TIO renames Ada.Text_IO;
+
+
+    package InKomp is new Kompsos (Integer);
+    use InKomp;
+
+
+    type Integer_Array is array (Positive range <>) of Integer;
+
+    function Var_Minus_One
+           (Item : in Term)
+        return Integer is
+    begin
+        return -1;
+    end Var_Minus_One;
+
+    package Int_Trees is new Ada.Containers.Multiway_Trees (Integer);
+
+    package Reify is new InKomp.Advanced_Reify
+       (Element_Array    => Integer_Array,
+        Null_Element     => 0,
+        Variable_Convert => Var_Minus_One,
+        Element_Trees    => Int_Trees);
+
+
+    package Printer is new InKomp.Pretty_Print (Integer'Image);
+
+
+    Test_Item : constant Term := T (T (T (1) & T (2) & T (3)) & T (T (10) & T (20)));
+
+    Result : constant Int_Trees.Tree := Reify.To_Tree (Test_Item);
+
+begin
+
+    TIO.Put_Line ("Test term is " & Printer.Image (Test_Item));
+
+    TIO.New_Line;
+
+    TIO.Put_Line ("Root has " &
+        Printer.Image (Integer (Int_Trees.Child_Count (Result.Root))) & " children.");
+
+    for Child in Result.Iterate_Children (Result.Root) loop
+        TIO.Put ("Child has " &
+            Printer.Image (Integer (Int_Trees.Child_Count (Child))) & " children:");
+        for Child_Child in Result.Iterate_Children (Child) loop
+            TIO.Put (" " & Printer.Image (Int_Trees.Element (Child_Child)));
+        end loop;
+        TIO.New_Line;
+    end loop;
+
+end Trees;
+
+