(* Gui framework elements common across individual components. *)

(* Types of this class describe gui components. *)
class gui :: Type -> Type -> Type
 

(* class gui = fn t xcomponent => t -> xcomponent *)
(* class gui :: Type -> Type -> Type *)

(* How to add components to the gui class. *)
val mkGui : t ::: Type -> xcomponent:::Type -> (t -> xcomponent) -> gui t xcomponent

(* Xml itself can be a gui component. *)
val gui_xbody : gui xbody xbody

(* Currently the only thing a gui component can do is be
 * pretty printed to a piece of xml. *)
val toXml : t ::: Type -> xcomponent ::: Type -> gui t xcomponent -> t -> xcomponent