Ur/Web: demo/batchFun.urs annotate

constraints demo

author	Adam Chlipala <adamc@hcoop.net>
date	Sun, 03 May 2009 12:01:55 -0400
parents	1fb318c17546
children	bb3fc575cfe7

rev	line source
adamc@650	1 con colMeta = fn t_state :: (Type * Type) =>
adamc@650	2 {Nam : string,
adamc@650	3 Show : t_state.1 -> xbody,
adamc@650	4 Inject : sql_injectable t_state.1,
adamc@650	5
adamc@650	6 NewState : transaction t_state.2,
adamc@650	7 Widget : t_state.2 -> xbody,
adamc@650	8 ReadState : t_state.2 -> transaction t_state.1}
adamc@650	9 con colsMeta = fn cols :: {(Type * Type)} => $(map colMeta cols)
adamc@650	10
adamc@650	11 val int : string -> colMeta (int, source string)
adamc@650	12 val float : string -> colMeta (float, source string)
adamc@650	13 val string : string -> colMeta (string, source string)
adamc@650	14
adamc@650	15 functor Make(M : sig
adamc@650	16 con cols :: {(Type * Type)}
adamc@650	17 constraint [Id] ~ cols
adamc@650	18 val fl : folder cols
adamc@650	19
adamc@706	20 table tab : ([Id = int] ++ map fst cols)
adamc@650	21
adamc@650	22 val title : string
adamc@650	23
adamc@650	24 val cols : colsMeta cols
adamc@650	25 end) : sig
adamc@650	26 val main : unit -> transaction page
adamc@650	27 end

Mercurial > urweb