Module Ref

module Ref: sig .. end
swap t1 t2 swaps the values in t1 and t2.

type 'a t = 'a Pervasives.ref = {
   mutable contents :'a;
}
include Binable.S1
include Sexpable.S1
include Container.S1
val create : 'a -> 'a t
val (!) : 'a t -> 'a
val (:=) : 'a t -> 'a -> unit
val swap : 'a t -> 'a t -> unit
swap t1 t2 swaps the values in t1 and t2.
val replace : 'a t -> ('a -> 'a) -> unit
replace t f is t := f !t