Natools

            end if;

            Index := Index + Verbatim_Length + 1;
         end if;
      end loop;
   end Evaluate_Dictionary_Partial;


   procedure Filter_By_Count
     (Counter : in out Word_Counter;
      Threshold_Count : in String_Count)
   is
      Position, Next : Word_Maps.Cursor;
   begin
      Position := Word_Maps.First (Counter.Map);

      while Word_Maps.Has_Element (Position) loop
         Next := Word_Maps.Next (Position);

         if Word_Maps.Element (Position) < Threshold_Count then
            Word_Maps.Delete (Counter.Map, Position);
         end if;

         Position := Next;
      end loop;

      pragma Assert (for all Count of Counter.Map => Count >= Threshold_Count);
   end Filter_By_Count;


   function Simple_Dictionary
     (Counter : in Word_Counter;
      Word_Count : in Natural)
     return String_Lists.List
   is
      use type Ada.Containers.Count_Type;