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view demo/increment.ur @ 1941:9f3597979e98

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Tweaking handling of database transactions
author Adam Chlipala <adam@chlipala.net>
date Wed, 25 Dec 2013 13:11:43 -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>