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view tests/url.ur @ 983:2cd8c1aa0d3a

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Add tail call optimization to interpretation
author Adam Chlipala <adamc@hcoop.net>
date Thu, 24 Sep 2009 15:45:37 -0400
parents c125df6fabfc
children
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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>