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view demo/increment.ur @ 1230:8768145eed1e

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Havoc relations that have been updated
author Adam Chlipala <adamc@hcoop.net>
date Tue, 13 Apr 2010 09:17:52 -0400
parents ed06e25c70ef
children e6bc6bbd7a32
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={n <- rpc (increment ()); set src n}/>
    </body></xml>