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yap-6.3/Logtalk/manuals/refman/methods/current_predicate1.html
pmoura b77427df89 Updated to Logtalk 2.9.1
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<!doctype html public "-//W3C//DTD HTML 4.01//EN"
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<title>current_predicate/1</title>
<link rel=stylesheet href="../../styles.css" type="text/css">
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<h2><code><a class="back" title="Return to index" href="../index.html#current_predicate1">current_predicate/1</a></code></h2>
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<h4>Description</h4>
<blockquote>
<pre>
current_predicate(Predicate)
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<p>
Enumerates, by backtracking, the visible user predicates for an object.
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<h4>Template and modes</h4>
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<pre>
current_predicate(?predicate_indicator)
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<h4>Errors</h4>
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<dl>
<dt>Predicate is neither a variable nor a valid predicate indicator:</dt>
<dd><code>type_error(predicate_indicator, Predicate)</code></dd>
</dl>
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<h4>Examples</h4>
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<dl>
<dt>To enumerate, by backtracking, the user predicates visible in <a class="glossary" title="Go to glossary definition" href="../../glossary.html#this">this</a>:</dt>
<dd><code>current_predicate(Predicate)</code></dd>
<dt>To enumerate, by backtracking, the public and protected user predicates visible in <a class="glossary" title="Go to glossary definition" href="../../glossary.html#self">self</a>:</dt>
<dd><code>::current_predicate(Predicate)</code></dd>
<dt>To enumerate, by backtracking, the public user predicates visible for an object:</dt>
<dd><code>Object::current_predicate(Predicate)</code></dd>
</dl>
</blockquote>
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<p class="center">
<strong><a href="this1.html">Previous</a> | <a href="predicate_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>
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Last updated on: October 21, 2001
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