Functor Uwt_throttle.Make

module Make: 
functor (H : Hashtbl.HashedType) -> S with type key = H.t
Parameters:
H : Hashtbl.HashedType

type key 
type t 
val create : rate:int -> max:int -> n:int -> t
rate : maximum number of connections per second
max : maximum waiting time (in seconds)
n : initial size of the hash table
val wait : t -> key -> bool Lwt.t