Mercurial > urweb

view tests/channel.ur @ 1889:c40ed80be943

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Fix regression in execution of 'onError' handlers
author Adam Chlipala <adam@chlipala.net>
date Thu, 14 Nov 2013 06:16:58 -0500
parents f73913d97a40
children
line wrap: on
line source
fun main () : transaction page =
    ch <- channel;
    let
        fun make () =
            subscribe ch;
            send ch "Hello world!"

        fun echo () =
            msg <- recv ch;
            alert(msg);
            echo ()

        fun onload () =
            make ();
            echo ()

        fun haveAnother () =
            send ch "Here's another."
    in
        return <xml><body onload={onload ()}>
          <button value="Another?" onclick={haveAnother ()}/>
        </body></xml>
    end