view demo/counter.ur @ 1795:d28adceef22a

Allow type class instances with hypotheses via local ('let') definitions
author Adam Chlipala <adam@chlipala.net>
date Wed, 25 Jul 2012 14:04:59 -0400
parents 4359e185d3af
children
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(* Workhorse function, which [main] will call *)
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