view tests/url.ur @ 1639:6c00d8af6239

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 c125df6fabfc
children
line wrap: on
line source
fun readersChoice r = return <xml><body>
  {case checkUrl r.Url of
       None => <xml>I can't do that, Dave.</xml>
     | Some url => <xml><a href={url}>Your pick, boss</a></xml>}
</body></xml>

fun main () : transaction page = return <xml><body>
  <a href="http://en.wikipedia.org/wiki/Wikipedia:About">Learn</a>
  <br/>

  <form><textbox{#Url}/> <submit action={readersChoice}/></form>
</body></xml>