Mercurial > urweb
annotate tests/nextid.ur @ 1556:e1f5d9c4cc20
An abstract type of IDs
| author | Adam Chlipala <adam@chlipala.net> |
|---|---|
| date | Sat, 03 Sep 2011 12:51:05 -0400 |
| parents | |
| children |
| rev | line source |
|---|---|
| adam@1556 | 1 fun main () : transaction page = |
| adam@1556 | 2 id1 <- fresh; |
| adam@1556 | 3 id2 <- fresh; |
| adam@1556 | 4 id3 <- fresh; |
| adam@1556 | 5 idS <- source id3; |
| adam@1556 | 6 return <xml><body> |
| adam@1556 | 7 <span id={id1}>Hi</span> <span id={id2}>there!</span><br/><br/> |
| adam@1556 | 8 <dyn signal={idS <- signal idS; return <xml><span id={idS}>Whoa-hoa!</span></xml>}/> |
| adam@1556 | 9 <button onclick={id <- fresh; set idS id}/> |
| adam@1556 | 10 Source: <dyn signal={idS <- signal idS; return (txt (<xml><span id={idS}>Whoa-hoa!</span></xml> : xbody))}/> |
| adam@1556 | 11 </body></xml> |