view tests/whiteout.ur @ 684:f0224c7f12bb

Expunging nullable fields
author Adam Chlipala <adamc@hcoop.net>
date Sun, 29 Mar 2009 14:13:50 -0400
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table t : { Chan : option (channel unit) }

fun main () : transaction page =
    ch <- channel;
    dml (INSERT INTO t (Chan) VALUES ({[Some ch]}));
    return <xml><body>Did it.</body></xml>