Mercurial > urweb
annotate tests/dynTable.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 | d2383ffc18ab |
| children |
| rev | line source |
|---|---|
| adam@1538 | 1 fun main () : transaction page = |
| adam@1538 | 2 s <- source <xml/>; |
| adam@1538 | 3 s1 <- source <xml/>; |
| adam@1538 | 4 n <- source 0; |
| adam@1538 | 5 return <xml><body> |
| adam@1538 | 6 <table> |
| adam@1538 | 7 <dyn signal={signal s}/> |
| adam@1538 | 8 <tr> <td>Hi</td> </tr> |
| adam@1538 | 9 </table> |
| adam@1538 | 10 |
| adam@1803 | 11 <button onclick={fn _ => v <- get n; |
| adam@1803 | 12 set n (v + 1); |
| adam@1803 | 13 set s <xml><tr> <td>Whoa!({[v]})</td> </tr></xml>}/> |
| adam@1538 | 14 |
| adam@1538 | 15 <table> |
| adam@1538 | 16 <tr> <dyn signal={signal s1}/> </tr> |
| adam@1538 | 17 <tr> <td>Hi!</td> </tr> |
| adam@1538 | 18 </table> |
| adam@1538 | 19 |
| adam@1803 | 20 <button onclick={fn _ => set s1 <xml><td>Whoa!</td></xml>}/> |
| adam@1538 | 21 </body></xml> |