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view demo/increment.ur @ 1943:3ecd0b6360eb

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Change where a transaction is marked finished, to avoid forgetting to rollback a failed transaction
author Adam Chlipala <adam@chlipala.net>
date Fri, 27 Dec 2013 12:30:44 -0500
parents e6bc6bbd7a32
children
line wrap: on
line source
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>