Module type Logs.LOG

val msg : level -> 'a log
val app : 'a log
val err : 'a log
val warn : 'a log
val info : 'a log
val debug : 'a log
val kmsg : (unit -> 'b) -> level -> ('a'b) msgf -> 'b
val on_error : ?level:level -> ?header:string -> ?tags:Tag.set -> pp:(Stdlib.Format.formatter -> 'b -> unit) -> use:('b -> 'a) -> ('a'b) Stdlib.result -> 'a
val on_error_msg : ?level:level -> ?header:string -> ?tags:Tag.set -> use:(unit -> 'a) -> ('a[ `Msg of string ]) Stdlib.result -> 'a