Ur/Web: demo/metaform.ur annotate

Fix a read-after-free bug using a timestamp check

author	Adam Chlipala <adam@chlipala.net>
date	Thu, 19 Nov 2015 13:18:58 -0500
parents	c7b9a33c26c8
children

rev	line source
adamc@418	1 functor Make (M : sig
adamc@418	2 con fs :: {Unit}
adamc@632	3 val fl : folder fs
adamc@643	4 val names : $(mapU string fs)
adamc@418	5 end) = struct
adamc@418	6
adamc@418	7 fun handler values = return <xml><body>
adamc@1176	8 {@mapUX2 [string] [string] [body]
adam@1302	9 (fn [nm :: Name] [rest ::_] [[nm] ~ rest] name value => <xml>
adamc@1093	10 <li> {[name]} = {[value]}</li>
adamc@1093	11 </xml>)
adamc@1093	12 M.fl M.names values}
adamc@418	13 </body></xml>
adamc@418	14
adamc@418	15 fun main () = return <xml><body>
adamc@418	16 <form>
adam@1302	17 {@foldUR [string] [fn cols => xml form [] (mapU string cols)]
adam@1303	18 (fn [nm :: Name] [rest ::_] [[nm] ~ rest] name acc => <xml>
adam@1303	19 <li> {[name]}: <textbox{nm}/></li>
adam@1303	20 {useMore acc}
adam@1303	21 </xml>)
adamc@1093	22 <xml/>
adamc@1093	23 M.fl M.names}
adamc@418	24 <submit action={handler}/>
adamc@418	25 </form>
adamc@418	26 </body></xml>
adamc@418	27
adamc@418	28 end

Mercurial > urweb