-let mk_repeater c =
- let mk_str i = String.make i c in
- let _table = Array.init 16 mk_str in
- fun i -> try
- if i < 16 then _table.(i) else mk_str i
- with e -> print_int i; print_newline(); raise e
-let padding = mk_repeater ' '
-let line = mk_repeater '_'