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	<title>Logtalk built-in method: abolish/1</title>
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<div class="top-left">Logtalk reference manual</div> 
<div class="top-right">Built-in method: abolish/1</div>
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<h2 class="code">abolish/1</h2>


<h4>Description</h4>

<pre>abolish(Predicate)
abolish(Functor/Arity)</pre>
<p>
Removes a runtime declared dynamic predicate from an object database.
</p>

<h4>Template and modes</h4>

<pre>abolish(+predicate_indicator)</pre>

<h4>Errors</h4>

<dl class="errors">
	<dt>Predicate is a variable:</dt>
		<dd><code>instantiation_error</code></dd>
	<dt>Functor is a variable:</dt>
		<dd><code>instantiation_error</code></dd>
	<dt>Arity is a variable:</dt>
		<dd><code>instantiation_error</code></dd>
	<dt>Predicate is neither a variable nor a valid predicate indicator:</dt>
		<dd><code>type_error(predicate_indicator, Predicate)</code></dd>
	<dt>Functor is neither a variable nor an atom:</dt>
		<dd><code>type_error(atom, Functor)</code></dd>
	<dt>Arity is neither a variable nor an integer:</dt>
		<dd><code>type_error(integer, Arity)</code></dd>
	<dt>Predicate is statically declared:</dt>
		<dd><code>permission_error(modify, predicate_declaration, Functor/Arity)</code></dd>
	<dt>Predicate is a private predicate:</dt>
		<dd><code>permission_error(modify, private_predicate, Functor/Arity)</code></dd>
	<dt>Predicate is a protected predicate:</dt>
		<dd><code>permission_error(modify, protected_predicate, Functor/Arity)</code></dd>
	<dt>Predicate is a static predicate:</dt>
		<dd><code>permission_error(modify, static_predicate, Functor/Arity)</code></dd>
	<dt>Predicate is not declared for the object receiving the message:</dt>
		<dd><code>existence_error(predicate_declaration, Functor/Arity)</code></dd>
</dl>

<h4>Examples</h4>

<dl class="examples">
	<dt>To abolish any dynamic predicate in <a class="glossary" title="Go to glossary definition" href="../../glossary.html#this">this</a>:</dt>
		<dd><code>abolish(Predicate)</code></dd>
	<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>
		<dd><code>::abolish(Predicate)</code></dd>
	<dt>To abolish a public dynamic predicate in an object:</dt>
		<dd><code>Object::abolish(Predicate)</code></dd>
</dl>

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