Mercurial > urweb

view tests/dynSpan.ur @ 1639:6c00d8af6239

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Add a new scoping check for unification variables, to fix a type inference bug
author Adam Chlipala <adam@chlipala.net>
date Sun, 18 Dec 2011 11:29:13 -0500
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>