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70 lines
2.7 KiB
HTML
70 lines
2.7 KiB
HTML
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN"
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<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
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<head>
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<meta http-equiv="content-type" content="application/xml+xhtml; charset=utf-8" />
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<title>Logtalk built-in predicate: create_object/4</title>
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<link rel="stylesheet" href="../../screen.css" type="text/css" media="screen"/>
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<link rel="stylesheet" href="../../print.css" type="text/css" media="print"/>
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</head>
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<body>
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<div class="top-left">Logtalk reference manual</div>
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<div class="top-right">Built-in predicate: create_object/4</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 class="code">create_object/4</h2>
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<h4>Description</h4>
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<pre>create_object(Identifier, Relations, Directives, Clauses)</pre>
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<p>
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Creates a new, dynamic, object.
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</p>
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<h4>Template and modes</h4>
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<pre>create_object(+object_identifier, +list, +list, +list)</pre>
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<h4>Errors</h4>
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<dl class="errors">
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<dt>One of the predicate arguments is a variable:</dt>
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<dd><code>instantiation_error</code></dd>
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<dt>Identifier is not a valid object identifier:</dt>
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<dd><code>type_error(object_identifier, Identifier)</code></dd>
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<dt>Identifier is already in use:</dt>
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<dd><code>permission_error(replace, category, Identifier)</code></dd>
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<dd><code>permission_error(replace, object, Identifier)</code></dd>
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<dd><code>permission_error(replace, protocol, Identifier)</code></dd>
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<dt>Relations is neither a variable nor a proper list:</dt>
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<dd><code>type_error(list, Relations)</code></dd>
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<dt>Directives is neither a variable nor a proper list:</dt>
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<dd><code>type_error(list, Directives)</code></dd>
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<dt>Clauses is neither a variable nor a proper list:</dt>
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<dd><code>type_error(list, Clauses)</code></dd>
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</dl>
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<h4>Examples</h4>
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<pre>| ?- create_object(foo, [extends(bar)], [public(foo/1)], [foo(1), foo(2)]).</pre>
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<div class="footer">
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<div class="navbottom"><a href="create_category4.html">previous</a> | <a href="../../glossary.html">glossary</a> | <a href="create_protocol3.html">next</a></div>
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<div class="copyright">Copyright © <a href="mailto:pmoura@logtalk.org">Paulo Moura</a> — <a href="http://www.logtalk.org">Logtalk.org</a></div>
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<div class="footnote">
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<span class="validators"><a href="http://validator.w3.org/check/referer">XHTML</a> + <a href="http://jigsaw.w3.org/css-validator/check/referer">CSS</a></span>
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<span class="date">Last updated on: January 21, 2006</span>
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