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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>current_category/1</title>
<link rel="stylesheet" href="../../styles.css" type="text/css" />
</head>
<body>
<hr />
<h2><code><a class="back" title="Return to index" href="../index.html#current_category1">current_category/1</a></code></h2>
<hr />
<h4>Description</h4>
<blockquote>
<pre>
current_category(Category)
</pre>
<p>
Enumerates, by backtracking, all currently defined categories. All categories are found, either static, dynamic, or built-in.
</p>
</blockquote>
<h4>Template and modes</h4>
<blockquote>
<pre>
current_category(?category_identifier)
</pre>
</blockquote>
<h4>Errors</h4>
<blockquote>
<dl>
<dt>Category is neither a variable nor a valid category identifier:</dt>
<dd><code>type_error(category_identifier, Category)</code></dd>
</dl>
</blockquote>
<h4>Examples</h4>
<blockquote>
<pre>
| ?- current_category(monitoring).
</pre>
</blockquote>
<hr />
<p class="center">
<strong><a href="../directives/public1.html">Previous</a> | <a href="current_object1.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: August 6, 2002
</p>
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</body>
</html>