<!doctype html public "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> <html> <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> <h3>Errors</h3> <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: July 4, 2000 </p> <hr /> </body> </html>