<?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_protocol/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_protocol1">current_protocol/1</a></code></h2> <hr /> <h4>Description</h4> <blockquote> <pre> current_protocol(Protocol) </pre> <p> Enumerates, by backtracking, all currently defined protocols. All protocols are found, either static, dynamic, or built-in. </p> </blockquote> <h4>Template and modes</h4> <blockquote> <pre> current_protocol(?protocol_identifier) </pre> </blockquote> <h4>Errors</h4> <blockquote> <dl> <dt>Protocol is neither a variable nor a valid protocol identifier:</dt> <dd><code>type_error(protocol_identifier, Protocol)</code></dd> </dl> </blockquote> <h4>Examples</h4> <blockquote> <pre> | ?- current_protocol(listp). </pre> </blockquote> <hr /> <p class="center"> <strong><a href="current_object1.html">Previous</a> | <a href="category_property2.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> <hr /> </body> </html>