class virtual idprinting :object..end
method virtual sanitize : string -> string
method sanitize_type : string -> stringDefaults to self#sanitize
method sanitize_field : string -> stringDefulats to self#sanitize
method sanitize_fun : string -> stringDefulats to self#sanitize
method datatype : ADT.t -> string
method field : Field.t -> string
method link : Fun.t -> Qed.Engine.link