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More Elaborate work to avoid instantiating unification variables with out-of-scope regular variables
author Adam Chlipala <adam@chlipala.net>
date Sat, 24 Oct 2015 17:23:07 -0400
parents d794149b3713
children
line wrap: on
line source
fun counter' () =
    s <- source 0;
    return <xml>
      <dyn signal={n <- signal s; return (txt n)}/>
      <button onclick={fn _ => n <- get s; set s (n + 1)}/>
    </xml>

fun counter () = <xml><active code={counter' ()}/></xml>

fun main () : transaction page = return <xml><body>
  {counter ()}
  <hr/>
  {counter ()}
</body></xml>