Mercurial > urweb
view demo/increment.ur @ 2297:6d56080f495c
Fix a read-after-free bug using a timestamp check
author | Adam Chlipala <adam@chlipala.net> |
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date | Thu, 19 Nov 2015 13:18:58 -0500 |
parents | e6bc6bbd7a32 |
children |
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sequence seq fun increment () = nextval seq fun main () = src <- source 0; return <xml><body> <dyn signal={n <- signal src; return <xml>{[n]}</xml>}/> <button value="Update" onclick={fn _ => n <- rpc (increment ()); set src n}/> </body></xml>