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git-svn-id: https://yap.svn.sf.net/svnroot/yap/trunk@1744 b08c6af1-5177-4d33-ba66-4b1c6b8b522a
64 lines
2.0 KiB
HTML
64 lines
2.0 KiB
HTML
<?xml version="1.0" encoding="utf-8"?>
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN"
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"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
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<head>
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<meta http-equiv="content-type" content="application/xml+xhtml; charset=utf-8" />
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<title>Logtalk built-in method: before/3</title>
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<link rel="stylesheet" href="../../screen.css" type="text/css" media="screen"/>
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<link rel="stylesheet" href="../../print.css" type="text/css" media="print"/>
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</head>
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<body>
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<div class="top-left">Logtalk reference manual</div>
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<div class="top-right">Built-in method: before/3</div>
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<div class="bottom-left"><span class="page"/></div>
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<div class="bottom-right"><span class="page"/></div>
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<div class="navtop"><a href="../../index.html">contents</a> > <a href="../index.html">reference manual</a> > <a href="../index.html#methods">built-in methods</a></div>
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<h2 class="codenp">before/3<span id="methods_before3"/></h2>
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<h4>Description</h4>
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<pre>before(Object, Message, Sender)</pre>
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<p>
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User-defined public method for handling <code>before</code> events. This method is declared in the <code>monitoring</code> built-in protocol.
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</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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<blockquote>
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<p>
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(none)
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</p>
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</blockquote>
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<h4>Examples</h4>
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<pre>before(Object, Message, Sender) :-
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writeq(Object), write('::'), writeq(Message),
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write(' from '), writeq(Sender), nl.</pre>
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<div class="footer">
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<div class="copyright">
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<span>Copyright © <a href="mailto:pmoura@logtalk.org">Paulo Moura</a> — <a href="http://logtalk.org">Logtalk.org</a></span><br/>
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<span>Last updated on: December 11, 2006</span>
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</div>
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<div class="navbottom">
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<span><a href="../index.html#methods">previous</a> | <a href="../../glossary.html">glossary</a> | <a href="after3.html">next</a></span><br/>
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