view demo/batchFun.urs @ 829:20fe00fd81da

Substring functions; fix a nasty MonoReduce pattern match substitution bug
author Adam Chlipala <adamc@hcoop.net>
date Sat, 30 May 2009 13:29:00 -0400
parents 1fb318c17546
children bb3fc575cfe7
line wrap: on
line source
con colMeta = fn t_state :: (Type * Type) =>
                 {Nam : string,
                  Show : t_state.1 -> xbody,
                  Inject : sql_injectable t_state.1,

                  NewState : transaction t_state.2,
                  Widget : t_state.2 -> xbody,
                  ReadState : t_state.2 -> transaction t_state.1}
con colsMeta = fn cols :: {(Type * Type)} => $(map colMeta cols)

val int : string -> colMeta (int, source string)
val float : string -> colMeta (float, source string)
val string : string -> colMeta (string, source string)

functor Make(M : sig
                 con cols :: {(Type * Type)}
                 constraint [Id] ~ cols
                 val fl : folder cols

                 table tab : ([Id = int] ++ map fst cols)

                 val title : string

                 val cols : colsMeta cols
             end) : sig
    val main : unit -> transaction page
end