[ tr; lvl ] ->
let l = try int_of_string lvl with _ -> raise (Arg.Bad (lvl)) in
if Logger.is_logger tr then Logger.activate tr l
else raise (Arg.Bad (t))
| _ -> raise (Arg.Bad (t))
[ tr; lvl ] ->
let l = try int_of_string lvl with _ -> raise (Arg.Bad (lvl)) in
if Logger.is_logger tr then Logger.activate tr l
else raise (Arg.Bad (t))
| _ -> raise (Arg.Bad (t))