annotate demo/increment.ur @ 2297:6d56080f495c

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 e6bc6bbd7a32
children
rev   line source
adamc@648 1 sequence seq
adamc@648 2
adamc@648 3 fun increment () = nextval seq
adamc@648 4
adamc@782 5 fun main () =
adamc@648 6 src <- source 0;
adamc@648 7 return <xml><body>
adamc@648 8 <dyn signal={n <- signal src; return <xml>{[n]}</xml>}/>
adam@1784 9 <button value="Update" onclick={fn _ => n <- rpc (increment ()); set src n}/>
adamc@648 10 </body></xml>