Mtime
type span
module Span : sig ... end
type t
val to_uint64_ns : t -> int64
val of_uint64_ns : int64 -> t
val min_stamp : t
val max_stamp : t
val equal : t -> t -> bool
val compare : t -> t -> int
val is_earlier : t -> than:t -> bool
val is_later : t -> than:t -> bool
val span : t -> t -> span
val add_span : t -> span -> t option
val sub_span : t -> span -> t option
val pp : Format.formatter -> t -> unit
val dump : Format.formatter -> t -> unit