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62 lines
2.2 KiB
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62 lines
2.2 KiB
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<title>Logtalk built-in predicate: category_property/2</title>
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<div class="top-left">Logtalk reference manual</div>
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<div class="top-right">Built-in predicate: category_property/2</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#builtins">built-in predicates</a></div>
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<h2 id="builtins_category_property2" class="codenp">category_property/2</h2>
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<h4>Description</h4>
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<pre>category_property(Category, Property)</pre>
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<p>
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Enumerates, by backtracking, the properties associated with the defined categories.
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</p>
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<h4>Template and modes</h4>
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<pre>category_property(?category_identifier, ?category_property)</pre>
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<h4>Errors</h4>
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<dl>
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<dt>Category is neither a variable nor a valid category identifier:</dt>
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<dd><code>type_error(category_identifier, Category)</code></dd>
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<dt>Property is neither a variable nor a valid category property:</dt>
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<dd><code>domain_error(category_property, Property)</code></dd>
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</dl>
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<h4>Examples</h4>
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<pre>| ?- category_property(Category, dynamic).</pre>
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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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