b77427df89
git-svn-id: https://yap.svn.sf.net/svnroot/yap/trunk@211 b08c6af1-5177-4d33-ba66-4b1c6b8b522a
87 lines
2.7 KiB
HTML
87 lines
2.7 KiB
HTML
<!doctype html public "-//W3C//DTD HTML 4.01//EN"
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"http://www.w3.org/TR/html4/strict.dtd">
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<head>
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<title>abolish/1</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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<h2><code><a class="back" title="Return to index" href="../index.html#abolish1">abolish/1</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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abolish(Predicate)
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abolish(Functor/Arity)
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</pre>
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<p>
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Removes a dynamic predicate from an object database. Note however that if the dynamic predicate is declared in a category the predicate will fail.
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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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abolish(+predicate_indicator)
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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>Predicate is a variable:</dt>
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<dd><code>instantiation_error</code></dd>
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<dt>Predicate is neither a variable nor a valid predicate indicator:</dt>
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<dd><code>type_error(predicate_indicator, Predicate)</code></dd>
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<dt>Functor is neither a variable nor an atom:</dt>
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<dd><code>type_error(atom, Functor)</code></dd>
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<dt>Arity is neither a variable nor an integer:</dt>
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<dd><code>type_error(integer, Arity)</code></dd>
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<dt>Predicate is statically declared:</dt>
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<dd><code>permission_error(modify, predicate_declaration, Functor/Arity)</code></dd>
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<dt>Predicate is a private predicate:</dt>
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<dd><code>permission_error(modify, private_predicate, Functor/Arity)</code></dd>
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<dt>Predicate is a protected predicate:</dt>
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<dd><code>permission_error(modify, protected_predicate, Functor/Arity)</code></dd>
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<dt>Predicate is a static predicate:</dt>
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<dd><code>permission_error(modify, static_predicate, Functor/Arity)</code></dd>
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<dt>Predicate is not declared:</dt>
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<dd><code>existence_error(predicate_declaration, Functor/Arity)</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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<dl>
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<dt>To abolish any dynamic predicate in <a class="glossary" title="Go to glossary definition" href="../../glossary.html#this">this</a>:</dt>
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<dd><code>abolish(Predicate)</code></dd>
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<dt>To abolish a public or protected dynamic predicate in <a class="glossary" title="Go to glossary definition" href="../../glossary.html#self">self</a>:</dt>
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<dd><code>::abolish(Predicate)</code></dd>
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<dt>To abolish a public dynamic predicate in an object:</dt>
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<dd><code>Object::abolish(Predicate)</code></dd>
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</dl>
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</blockquote>
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<hr />
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<p class="center">
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<strong><a href="predicate_property2.html">Previous</a> | <a href="asserta1.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: October 21, 2001
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</p>
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<hr />
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</body>
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</html>
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