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view demo/increment.ur @ 2009:799be3911ce3

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Monadic bind supports patterns
author Adam Chlipala <adam@chlipala.net>
date Fri, 02 May 2014 17:16:02 -0400
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>