Ur/Web: demo/increment.ur annotate

FFI transactionals

author	Adam Chlipala <adamc@hcoop.net>
date	Sat, 02 May 2009 18:41:21 -0400
parents	15ddd64a5113
children	a44daa674810

rev	line source
adamc@648	1 sequence seq
adamc@648	2
adamc@648	3 fun increment () = nextval seq
adamc@648	4
adamc@733	5 fun action () =
adamc@648	6 src <- source 0;
adamc@648	7 return <xml><body>
adamc@648	8 <dyn signal={n <- signal src; return <xml>{[n]}</xml>}/>
adamc@648	9 <button value="Update" onclick={n <- increment (); set src n}/>
adamc@648	10 </body></xml>
adamc@733	11
adamc@733	12 fun main () = return <xml><body>
adamc@733	13 <form><submit value="Begin demo" action={action}/></form>
adamc@733	14 </body></xml>

Mercurial > urweb