Mercurial > urweb

view tests/dynSpan.ur @ 2184:1ecef02f67c5

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
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 cc58941da3e2
children
line wrap: on
line source
val x = 1

fun main () : transaction page =
    s <- source "!";
    return <xml><body>
      <dyn signal={x <- signal s; return <xml><span>{[x]}</span></xml>}/>
      <button onclick={x <- get s; set s (x ^ "!")}/>
    </body></xml>