UtilsLib.Timer
type t
val top : unit -> t
val elapsed : Stdlib.Format.formatter -> t -> unit
val diff : Stdlib.Format.formatter -> (t * t) -> unit
val msg : Logs.level -> 'a Logs.log
val app : 'a Logs.log
val err : 'a Logs.log
val warn : 'a Logs.log
val info : 'a Logs.log
val debug : 'a Logs.log
val set_level : Logs.level -> unit