Mercurial > urweb
view tests/rpcNested.ur @ 1886:b7cd3c7c7edd
Interpret 'table' signature items more flexibly, automatically adding (Ur) constraints to support a kind of subtyping over (SQL) constraint sets
author | Adam Chlipala <adam@chlipala.net> |
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date | Mon, 04 Nov 2013 15:14:23 -0500 |
parents | 133c71008bef |
children |
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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>