adamc@1002: con colMeta = fn (db :: Type, state :: Type) =>
adamc@650:                  {Nam : string,
adamc@1002:                   Show : db -> xbody,
adamc@1002:                   Inject : sql_injectable db,
adamc@650: 
adamc@1002:                   NewState : transaction state,
adamc@1002:                   Widget : state -> xbody,
adamc@1002:                   ReadState : state -> transaction db}
adamc@650: con colsMeta = fn cols :: {(Type * Type)} => $(map colMeta cols)
adamc@650: 
adamc@650: val int : string -> colMeta (int, source string)
adamc@650: val float : string -> colMeta (float, source string)
adamc@650: val string : string -> colMeta (string, source string)
adamc@650: 
adamc@650: functor Make(M : sig
adamc@650:                  con cols :: {(Type * Type)}
adamc@650:                  constraint [Id] ~ cols
adamc@650:                  val fl : folder cols
adamc@650: 
adamc@706:                  table tab : ([Id = int] ++ map fst cols)
adamc@650: 
adamc@650:                  val title : string
adamc@650: 
adamc@650:                  val cols : colsMeta cols
adamc@650:              end) : sig
adamc@650:     val main : unit -> transaction page
adamc@650: end