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view demo/increment.ur @ 773:74a090ff296e

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constraints demo
author Adam Chlipala <adamc@hcoop.net>
date Sun, 03 May 2009 12:01:55 -0400
parents 15ddd64a5113
children a44daa674810
line wrap: on
line source
sequence seq

fun increment () = nextval seq

fun action () =
    src <- source 0;
    return <xml><body>
      <dyn signal={n <- signal src; return <xml>{[n]}</xml>}/>
      <button value="Update" onclick={n <- increment (); set src n}/>
    </body></xml>

fun main () = return <xml><body>
  <form><submit value="Begin demo" action={action}/></form>
</body></xml>