Ur/Web: demo/more/checkGroup.ur annotate

Update manual's description of implicit arguments

author	Adam Chlipala <adamc@hcoop.net>
date	Wed, 30 Dec 2009 09:48:32 -0500
parents	7facf72aaf0a
children

rev	line source
adamc@1025	1 con t ctx data = list (data * xml ctx [] [] * source bool)
adamc@1025	2
adamc@1025	3 fun create [ctx] [data] (items : list (data * xml ctx [] [] * bool)) =
adamc@1025	4 List.mapM (fn (d, x, b) => s <- source b; return (d, x, s)) items
adamc@1025	5
adamc@1025	6 fun render [ctx] [data] [[Body] ~ ctx] (t : t ([Body] ++ ctx) data) =
adamc@1025	7 List.mapX (fn (_, x, s) => <xml><ccheckbox source={s}/> {x}<br/></xml>) t
adamc@1025	8
adamc@1025	9 fun selected [ctx] [data] (t : t ctx data) =
adamc@1025	10 List.foldlM (fn (d, _, s) ls =>
adamc@1025	11 s <- signal s;
adamc@1025	12 return (if s then
adamc@1025	13 d :: ls
adamc@1025	14 else
adamc@1025	15 ls)) [] t

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