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Introduced the known() predicate
author Adam Chlipala <adamc@hcoop.net>
date Tue, 06 Apr 2010 09:51:36 -0400
parents b10132434adc
children
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table t : {A : int}

fun main () : transaction page =
    () <- dml (INSERT INTO t (A) VALUES (0));
    return (error <xml>No way, Jose!</xml>)