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yap-6.3/Logtalk/manuals/refman/directives/category1_2.html
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<?xml version="1.0" encoding="iso-8859-1"?>
<?xml-stylesheet type="text/css" href="../../styles.css" ?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">
<head>
<title>category/1-2</title>
<link rel="stylesheet" href="../../styles.css" type="text/css">
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<body>
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<h2><code><a class="back" title="Return to index" href="../index.html#category1_2">category/1-2</a></code></h2>
<hr />
<h4>Description</h4>
<blockquote>
<pre>
category(Category)
category(Category,
implements(Protocols))
</pre>
<p>
Starting category directive.
</p>
</blockquote>
<h4>Template and modes</h4>
<blockquote>
<pre>
category(+category_identifier)
category(+category_identifier,
implements(+implemented_protocols))
</pre>
</blockquote>
<h4>Examples</h4>
<blockquote>
<pre>
:- category(monitoring).
:- category(monitoring,
implements(monitoringp)).
:- category(attributes,
implements(protected::variables)).
</pre>
</blockquote>
<hr />
<p class="center">
<strong><a href="calls1.html">Previous</a> | <a href="dynamic0.html">Next</a> | <a href="../index.html">Table of Contents</a> | <a href="../../bibliography.html">Bibliography</a> | <a href="../../glossary.html">Glossary</a></strong>
</p>
<p class="center">
Last updated on: July 29, 2002
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