Ur/Web: demo/crud.urs annotate

demo/hello compiles with kind polymorphism

author	Adam Chlipala <adamc@hcoop.net>
date	Sun, 22 Feb 2009 17:17:01 -0500
parents	d64533157f40
children	6c4643880df5

rev	line source
adamc@421	1 con colMeta = fn t_formT :: (Type * Type) =>
adamc@421	2 {Nam : string,
adamc@421	3 Show : t_formT.1 -> xbody,
adamc@421	4 Widget : nm :: Name -> xml form [] [nm = t_formT.2],
adamc@421	5 WidgetPopulated : nm :: Name -> t_formT.1
adamc@421	6 -> xml form [] [nm = t_formT.2],
adamc@421	7 Parse : t_formT.2 -> t_formT.1,
adamc@421	8 Inject : sql_injectable t_formT.1}
adamc@622	9 con colsMeta = fn cols :: {(Type * Type)} => $(map colMeta cols)
adamc@421	10
adamc@421	11 val int : string -> colMeta (int, string)
adamc@421	12 val float : string -> colMeta (float, string)
adamc@421	13 val string : string -> colMeta (string, string)
adamc@421	14 val bool : string -> colMeta (bool, bool)
adamc@421	15
adamc@421	16 functor Make(M : sig
adamc@421	17 con cols :: {(Type * Type)}
adamc@421	18 constraint [Id] ~ cols
adamc@622	19 val tab : sql_table ([Id = int] ++ map fstTT cols)
adamc@421	20
adamc@421	21 val title : string
adamc@421	22
adamc@421	23 val cols : colsMeta cols
adamc@421	24 end) : sig
adamc@421	25 val main : unit -> transaction page
adamc@421	26 end

Mercurial > urweb