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view demo/counter.ur @ 845:6725d73c3c31

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Mark current as effectful; add List functions
author Adam Chlipala <adamc@hcoop.net>
date Tue, 09 Jun 2009 11:12:34 -0400
parents 679b2fbbd4d0
children 4359e185d3af
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fun counter n = return <xml><body>
  Current counter: {[n]}<br/>
  <a link={counter (n + 1)}>Increment</a><br/>
  <a link={counter (n - 1)}>Decrement</a>
</body></xml>

fun main () = counter 0