Util.Messages
create a new message handle with label t . * Printing is disabled per default
val eprintf : ?raw:bool -> t -> ('a, unit, string, unit) Stdlib.format4 -> 'a
Print the message on stderr
if the Util module has been * set to verbose using the function make_verbose
and * either the handle t
is enable or all handles were enabled with * the function all_enabled
val enable : label -> unit
enable l
the handle with label l
val disable : label -> unit
disable l
the handle with label l
val avalaible : unit -> label list
return the list of all labels known to the module
val is_enabled : label -> bool