module Clock:sig..end
type t
val get : Thread.t -> tval get_time : t -> Span.tval set_time : t -> Span.t -> unitval get_resolution : t -> Span.tval get_process_clock : unit -> tget_process_clock the clock measuring the CPU-time of a process.val get_thread_clock : unit -> tget_thread_clock the clock measuring the CPU-time of the current
thread.