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view demo/increment.ur @ 1403:860c245a7c4d

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More detail on sources and signals
author Adam Chlipala <adam@chlipala.net>
date Tue, 18 Jan 2011 13:32:48 -0500
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>