Natools

               elsif U in 'a' .. 'z' and then V in 'A' .. 'Z' then
                  return 2032 + Rank (U) * 26 + Rank (V);
               elsif U in 'A' .. 'Z' and then V in 'a' .. 'z' then
                  return 2708 + Rank (U) * 26 + Rank (V);
               elsif U in 'A' .. 'Z' and then V in 'A' .. 'Z' then
                  return 3384 + Rank (U) * 26 + Rank (V);
               else
                  return 4095;
                  return 4096;
               end if;
            end;

         when 3 =>
            declare
               U : constant Character := S (S'First);
               V : constant Character := S (S'First + 1);
               W : constant Character := S (S'First + 2);
            begin
               if U in '0' .. '9'
                 and then V in '0' .. '9'
                 and then W in '0' .. '9'
               then
                  return 356 + Rank (U) * 100 + Rank (V) * 10 + Rank (W);
               else
                  return 4095;
                  return 4096;
               end if;
            end;
         when others =>
            return 4095;
            return 4096;
      end case;
   end Dictionary_4096_Hash;


   procedure Generic_Roundtrip_Test
     (Test : in out NT.Test;
      Dict : in Smaz.Dictionary;