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RAND_bytes isn't thread-safe, so wrap it with a lock
author Adam Chlipala <adam@chlipala.net>
date Wed, 11 Dec 2013 18:54:42 -0500
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