Mercurial > urweb
annotate tests/active.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 | d794149b3713 |
| children |
| rev | line source |
|---|---|
| adam@1786 | 1 fun counter' () = |
| adam@1786 | 2 s <- source 0; |
| adam@1786 | 3 return <xml> |
| adam@1786 | 4 <dyn signal={n <- signal s; return (txt n)}/> |
| adam@1786 | 5 <button onclick={fn _ => n <- get s; set s (n + 1)}/> |
| adam@1786 | 6 </xml> |
| adam@1786 | 7 |
| adam@1786 | 8 fun counter () = <xml><active code={counter' ()}/></xml> |
| adam@1786 | 9 |
| adam@1786 | 10 fun main () : transaction page = return <xml><body> |
| adam@1786 | 11 {counter ()} |
| adam@1786 | 12 <hr/> |
| adam@1786 | 13 {counter ()} |
| adam@1786 | 14 </body></xml> |