sig
val table : Cilutil.TypeHashtbl.key Cilutil.TypeHashtbl.t
val ranks : int Cilutil.TypeHashtbl.t
val repr : Cilutil.TypeHashtbl.key -> Cilutil.TypeHashtbl.key
val rank : Cilutil.TypeHashtbl.key -> int
val unify : Cilutil.TypeHashtbl.key -> Cilutil.TypeHashtbl.key -> unit
val classes : unit -> Cilutil.TypeSet.t list
val one_class : Cilutil.TypeHashtbl.key -> Cilutil.TypeHashtbl.key list
val same_class : Cilutil.TypeHashtbl.key -> Cilutil.TypeHashtbl.key -> bool
end