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Harmonize have/need terminology in error messages; display canceled record summaries on errors
author Adam Chlipala <adam@chlipala.net>
date Thu, 27 Oct 2011 08:36:31 -0400
parents b10132434adc
children
line wrap: on
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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>)