18498c43d2
git-svn-id: https://yap.svn.sf.net/svnroot/yap/trunk@576 b08c6af1-5177-4d33-ba66-4b1c6b8b522a
70 lines
1.7 KiB
HTML
70 lines
1.7 KiB
HTML
<?xml version="1.0" encoding="iso-8859-1"?>
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<?xml-stylesheet type="text/css" href="../../styles.css" ?>
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
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"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">
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<head>
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<title>protocol_property/2</title>
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<link rel="stylesheet" href="../../styles.css" type="text/css" />
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</head>
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<body>
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<hr />
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<h2><code><a class="back" title="Return to index" href="../index.html#protocol_property2">protocol_property/2</a></code></h2>
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<hr />
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<h4>Description</h4>
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<blockquote>
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<pre>
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protocol_property(Protocol, Property)
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</pre>
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<p>
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Enumerates, by backtracking, the properties associated with the currently defined protocols.
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</p>
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</blockquote>
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<h4>Template and modes</h4>
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<blockquote>
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<pre>
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protocol_property(?protocol_identifier, ?protocol_property)
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</pre>
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</blockquote>
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<h4>Errors</h4>
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<blockquote>
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<dl>
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<dt>Protocol is neither a variable nor a valid protocol identifier:</dt>
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<dd><code>type_error(protocol_identifier, Protocol)</code></dd>
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<dt>Property is neither a variable nor a valid protocol property:</dt>
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<dd><code>domain_error(protocol_property, Property)</code></dd>
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</dl>
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</blockquote>
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<h4>Examples</h4>
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<blockquote>
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<pre>
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| ?- protocol_property(listp, Property).
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</pre>
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</blockquote>
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<hr />
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<p class="center">
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<strong><a href="object_property2.html">Previous</a> | <a href="create_category4.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>
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<p class="center">
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Last updated on: August 6, 2002
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</p>
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<hr />
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</body>
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</html>
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