b77427df89
git-svn-id: https://yap.svn.sf.net/svnroot/yap/trunk@211 b08c6af1-5177-4d33-ba66-4b1c6b8b522a
70 lines
1.8 KiB
HTML
70 lines
1.8 KiB
HTML
<!doctype html public "-//W3C//DTD HTML 4.01//EN"
|
|
"http://www.w3.org/TR/html4/strict.dtd">
|
|
|
|
<html>
|
|
|
|
<head>
|
|
<title>current_predicate/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_predicate1">current_predicate/1</a></code></h2>
|
|
<hr />
|
|
|
|
<h4>Description</h4>
|
|
|
|
<blockquote>
|
|
<pre>
|
|
current_predicate(Predicate)
|
|
</pre>
|
|
<p>
|
|
Enumerates, by backtracking, the visible user predicates for an object.
|
|
</p>
|
|
</blockquote>
|
|
|
|
<h4>Template and modes</h4>
|
|
|
|
<blockquote>
|
|
<pre>
|
|
current_predicate(?predicate_indicator)
|
|
</pre>
|
|
</blockquote>
|
|
|
|
<h4>Errors</h4>
|
|
|
|
<blockquote>
|
|
<dl>
|
|
<dt>Predicate is neither a variable nor a valid predicate indicator:</dt>
|
|
<dd><code>type_error(predicate_indicator, Predicate)</code></dd>
|
|
</dl>
|
|
</blockquote>
|
|
|
|
<h4>Examples</h4>
|
|
|
|
<blockquote>
|
|
<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>
|
|
|
|
<hr />
|
|
<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>
|
|
</p>
|
|
<p class="center">
|
|
Last updated on: October 21, 2001
|
|
</p>
|
|
<hr />
|
|
|
|
</body>
|
|
|
|
</html>
|