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view demo/counter.ur @ 596:d1ec54288b1a

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Injected a polymorphic, recursive type
author Adam Chlipala <adamc@hcoop.net>
date Thu, 08 Jan 2009 10:15:45 -0500
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