Instances of Integer_IO
have a settings variable Default_Width
which the number of characters that each output number will take.
with Ada.Text_IO; use Ada.Text_IO;
procedure Print_Integer is
subtype Count is Integer range -1_000_000 .. 1_000_000;
package Count_IO is new Integer_IO (Count);
X : Count;
begin
Count_IO.Default_Width := 12;
X := Count'First;
while X < Count'Last loop
Count_IO.Put (X);
Count_IO.Put (X + 1);
New_Line;
X := X + 500_000;
end loop;
end Print_Integer;
-1000000
-500000
0
500000