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63 lines
2.2 KiB
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63 lines
2.2 KiB
HTML
<?xml version="1.0" encoding="utf-8"?>
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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 predicate directive: dynamic/1</title>
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<div class="top-left">Logtalk reference manual</div>
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<div class="top-right">Predicate directive: dynamic/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#directives">directives</a></div>
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<h2 class="code">dynamic/1</h2>
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<h4>Description</h4>
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<pre>dynamic(Functor/Arity)
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dynamic(Functor1/Arity1, Functor2/Arity2, ...)
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dynamic([Functor1/Arity1, Functor2/Arity2, ...])
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dynamic(Functor//Arity)
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dynamic(Functor1//Arity1, Functor2//Arity2, ...)
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dynamic([Functor1//Arity1, Functor2//Arity2, ...])</pre>
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<p>
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Declares dynamic predicates and dynamic grammar rule non-terminals. Note that an object can be static and have both static and dynamic predicates/non-terminals.
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</p>
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<h4>Template and modes</h4>
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<pre>dynamic(+predicate_indicator_term)
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dynamic(+non_terminal_indicator_term)</pre>
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<h4>Examples</h4>
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<pre>:- dynamic(counter/1).
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:- dynamic(lives/2, works/2).
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:- dynamic([db/4, key/2, file/3]).</pre>
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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="date">Last updated on: November 16, 2005</span>
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