CommonPriv.MustVarsinclude sig ... endtype elt = MayVars.eltval empty : unit -> MayVars.tval is_empty : MayVars.t -> boolval cardinal : MayVars.t -> inttype t = MayVars.tval hash : t -> intval show : t -> stringval pretty : unit -> t -> Printable.Pretty.docval to_yojson : t -> Yojson.Safe.tval tag : t -> intval bot : unit -> MayVars.tval is_bot : MayVars.t -> boolval top : unit -> MayVars.tval is_top : MayVars.t -> boolval printXml : 'a BatInnerIO.output -> MayVars.t -> unitval arbitrary : unit -> MayVars.t QCheck.arbitrary