sig
type t =
Posix_clock.t =
Realtime
| Monotonic
| Process_cpu
| Process_thread
val all : t list
val to_string : t -> string
val getres : (t -> Core.Std.Int63.t) Core.Std.Or_error.t
val gettime : (t -> Core.Std.Int63.t) Core.Std.Or_error.t
val min_interval : (t -> Core.Std.Int63.t) Core.Std.Or_error.t
val mean_gettime_cost :
(measure:t -> using:t -> Core.Std.Int63.t) Core.Std.Or_error.t
val ounit_tests : unit -> OUnit.test
end