adamc@421: con colMeta = fn t_formT :: (Type * Type) =>
adamc@421:                  {Nam : string,
adamc@421:                   Show : t_formT.1 -> xbody,
adamc@421:                   Widget : nm :: Name -> xml form [] [nm = t_formT.2],
adamc@421:                   WidgetPopulated : nm :: Name -> t_formT.1
adamc@421:                                     -> xml form [] [nm = t_formT.2],
adamc@421:                   Parse : t_formT.2 -> t_formT.1,
adamc@421:                   Inject : sql_injectable t_formT.1}
adamc@421: con colsMeta = fn cols :: {(Type * Type)} => $(mapT2T colMeta cols)
adamc@421: 
adamc@421: val int : string -> colMeta (int, string)
adamc@421: val float : string -> colMeta (float, string)
adamc@421: val string : string -> colMeta (string, string)
adamc@421: val bool : string -> colMeta (bool, bool)
adamc@421: 
adamc@421: functor Make(M : sig
adamc@421:                  con cols :: {(Type * Type)}
adamc@421:                  constraint [Id] ~ cols
adamc@421:                  val tab : sql_table ([Id = int] ++ mapT2T fstTT cols)
adamc@421: 
adamc@421:                  val title : string
adamc@421: 
adamc@421:                  val cols : colsMeta cols
adamc@421:              end) : sig
adamc@421:     val main : unit -> transaction page
adamc@421: end