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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>current_category/1</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#current_category1">current_category/1</a></code></h2>
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<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>
<h3>Errors</h3>
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<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>
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<p class="center">
Last updated on: July 4, 2000
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