sig
type elt
type 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
val empty : t
val is_empty : t -> bool
val mem : Hptset.S.elt -> t -> bool
val add : Hptset.S.elt -> t -> t
val singleton : Hptset.S.elt -> t
val remove : Hptset.S.elt -> t -> t
val elements : t -> Hptset.S.elt list
val union : t -> t -> t
val inter : t -> t -> t
val diff : t -> t -> t
val subset : t -> t -> bool
val iter : (Hptset.S.elt -> unit) -> t -> unit
val fold : (Hptset.S.elt -> 'a -> 'a) -> t -> 'a -> 'a
val for_all : (Hptset.S.elt -> bool) -> t -> bool
val exists : (Hptset.S.elt -> bool) -> t -> bool
val filter : (Hptset.S.elt -> bool) -> t -> t
val partition : (Hptset.S.elt -> bool) -> t -> t * t
val cardinal : t -> int
val min_elt : t -> Hptset.S.elt
val max_elt : t -> Hptset.S.elt
val contains_single_elt : t -> Hptset.S.elt option
val choose : t -> Hptset.S.elt
val split : Hptset.S.elt -> t -> t * bool * t
end