Mercurial > urweb
annotate demo/increment.ur @ 1795:d28adceef22a
Allow type class instances with hypotheses via local ('let') definitions
author | Adam Chlipala <adam@chlipala.net> |
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date | Wed, 25 Jul 2012 14:04:59 -0400 |
parents | e6bc6bbd7a32 |
children |
rev | line source |
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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> |