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view tests/rpcNested.ur @ 2043:e762c96fffb7

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Small tweak to ordering of unification rules, to support better record matching
author Adam Chlipala <adam@chlipala.net>
date Tue, 29 Jul 2014 14:38:50 -0400
parents 133c71008bef
children
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line source
datatype node
  = Node of
    { Label     : string
    , SubForest : list node
    }

fun getNode () : transaction node =
    return (Node { Label = "foo", SubForest = [] })

fun main () : transaction page = return <xml><body>
  <button onclick={
    n <- rpc (getNode ());
    case n of
        Node {Label = l, ...} => alert ("l = " ^ l)
  }/>
  </body></xml>