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<!doctype html public "-//W3C//DTD HTML 4.01//EN"
"http://www.w3.org/TR/html4/strict.dtd">
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<title>before/3</title>
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<h2><code><a class="back" title="Return to index" href="../index.html#before3">before/3</a></code></h2>
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<h4>Description</h4>
<blockquote>
<pre>
before(Object, Message, Sender)
</pre>
<p>
This is a pre-declared but user-defined public method for handling <code>before</code> events.
</p>
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<h4>Template and modes</h4>
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<pre>
before(?object, ?term, ?object)
</pre>
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<h4>Errors</h4>
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<p>
(none)
</p>
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<h4>Examples</h4>
<blockquote>
<pre>
before(Object, Message, Sender) :-
writeq(Object), write('::'), writeq(Message),
write(' from '), writeq(Sender), nl.
</pre>
</blockquote>
<hr />
<p class="center">
<strong><a href="setof3.html">Previous</a> | <a href="after3.html">Next</a> | <a href="../index.html">Table of Contents</a> | <a href="../../bibliography.html">Bibliography</a> | <a href="../../glossary.html">Glossary</a></strong>
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<p class="center">
Last updated on: October 21, 2001
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