# 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`;`

}

    val typerep_of_t : 'a Typerep_lib.Std.Typerep.t -> 'a t Typerep_lib.Std.Typerep.t

    val typename_of_t : 'a Typerep_lib.Std.Typename.t -> 'a t Typerep_lib.Std.Typename.t

    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`

    module Permissioned: sig .. end

    val t_of_sexp : (Sexplib.Sexp.t -> 'a) -> Sexplib.Sexp.t -> 'a t

    val sexp_of_t : ('a -> Sexplib.Sexp.t) -> 'a t -> Sexplib.Sexp.t

    val compare : ('a -> 'a -> int) -> 'a t -> 'a t -> int

    val bin_t : 'a Bin_prot.Type_class.t -> 'a t Bin_prot.Type_class.t

    val bin_read_t : 'a Bin_prot.Read.reader -> 'a t Bin_prot.Read.reader

    val __bin_read_t__ : 'a Bin_prot.Read.reader -> (int -> 'a t) Bin_prot.Read.reader

    val bin_reader_t : 'a Bin_prot.Type_class.reader -> 'a t Bin_prot.Type_class.reader

    val bin_size_t : 'a Bin_prot.Size.sizer -> 'a t Bin_prot.Size.sizer

    val bin_write_t : 'a Bin_prot.Write.writer -> 'a t Bin_prot.Write.writer

    val bin_writer_t : 'a Bin_prot.Type_class.writer -> 'a t Bin_prot.Type_class.writer

`swap t1 t2` swaps the values in `t1` and `t2`.
`replace t f` is `t := f !t`
`get` and `(!)` are two names for the same function.
`set` and `(:=)` are two names for the same function.