module Result:sig
..end
module Stat:sig
..end
typet =
string option * int option * Stat.t array
val mean : Stat.t array -> Stat.t
val min : Stat.t array -> Stat.t
val max : Stat.t array -> Stat.t
val stdev : Stat.t array -> float option
val compactions_occurred : Stat.t array -> bool
val sample_size : Stat.t array -> int