Client_context.simple_printerA simple printer can be used to implement a printer as it is done in class Client_context_unix.unix_logger.
method error : ('a, 'b) lwt_format -> 'amethod warning : ('a, unit) lwt_format -> 'amethod message : ('a, unit) lwt_format -> 'amethod answer : ('a, unit) lwt_format -> 'amethod log : string -> ('a, unit) lwt_format -> 'a