functor (D : S) ->
sig
type data = D.t
type t = Weak.Make(D).t
val create : int -> t
val clear : t -> unit
val merge : t -> data -> data
val add : t -> data -> unit
val remove : t -> data -> unit
val find : t -> data -> data
val find_all : t -> data -> data list
val mem : t -> data -> bool
val iter : (data -> unit) -> t -> unit
val fold : (data -> 'a -> 'a) -> t -> 'a -> 'a
val count : t -> int
val stats : t -> int * int * int * int * int * int
module Datatype :
sig
type t = t
val ty : t Type.t
val name : string
val descr : t Descr.t
val packed_descr : Structural_descr.pack
val reprs : t list
val equal : t -> t -> bool
val compare : t -> t -> int
val hash : t -> int
val pretty_code : Format.formatter -> t -> unit
val internal_pretty_code :
Type.precedence -> Format.formatter -> t -> unit
val pretty : Format.formatter -> t -> unit
val varname : t -> string
val mem_project : (Project_skeleton.t -> bool) -> t -> bool
val copy : t -> t
end
end