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			88 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			HTML
		
	
	
	
	
	
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| 	<title>Logtalk built-in method: abolish/1</title>
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| <div class="top-left">Logtalk reference manual</div> 
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| <div class="top-right">Built-in method: abolish/1</div>
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| <div class="bottom-left"><span class="page"/></div> 
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| <div class="bottom-right"><span class="page"/></div>
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| <div class="navtop"><a href="../../index.html">contents</a> > <a href="../index.html">reference manual</a> > <a href="../index.html#methods">built-in methods</a></div>
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| 
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| <h2 id="methods_abolish1" class="codenp">abolish/1</h2>
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| 
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| <h4>Description</h4>
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| 
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| <pre>abolish(Predicate)
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| abolish(Functor/Arity)</pre>
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| <p>
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| Removes a runtime declared dynamic predicate from an object database.
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| </p>
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| 
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| <h4>Template and modes</h4>
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| 
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| <pre>abolish(+predicate_indicator)</pre>
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| 
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| <h4>Errors</h4>
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| 
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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>Functor is a variable:</dt>
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| 		<dd><code>instantiation_error</code></dd>
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| 	<dt>Arity 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 for the object receiving the message:</dt>
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| 		<dd><code>existence_error(predicate_declaration, Functor/Arity)</code></dd>
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| </dl>
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| 
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| <h4>Examples</h4>
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| 
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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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| 
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| 	<div class="copyright">
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| 		<span>Copyright © <a href="mailto:pmoura@logtalk.org">Paulo Moura</a> — <a href="http://logtalk.org">Logtalk.org</a></span><br/>	
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| 		<span>Last updated on: October 26, 2006</span>
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