<?xml version="1.0" encoding="iso-8859-1"?>
<?xml-stylesheet type="text/css" href="../../styles.css" ?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">
<head>
<meta http-equiv="content-type" content="text/html; charset=iso-8859-1" />
<title>Logtalk predicate directive: dynamic/1</title>
<link rel="stylesheet" href="../../styles.css" type="text/css" />
</head>
<body>
<div class="navtop">
<a href="../../index.html">contents</a> > <a href="../index.html">reference manual</a> > <a href="../index.html#directives">directives</a>
</div>
<h2><code>dynamic/1</code></h2>
<h4>Description</h4>
<blockquote>
<pre>dynamic(Functor/Arity)
dynamic(Functor1/Arity1, Functor2/Arity2, ...)
dynamic([Functor1/Arity1, Functor2/Arity2, ...])
dynamic(Functor//Arity)
dynamic(Functor1//Arity1, Functor2//Arity2, ...)
dynamic([Functor1//Arity1, Functor2//Arity2, ...])</pre>
<p>
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.
</p>
</blockquote>
<h4>Template and modes</h4>
<blockquote>
<pre>dynamic(+predicate_indicator_term)
dynamic(+non_terminal_indicator_term)</pre>
</blockquote>
<h4>Examples</h4>
<blockquote>
<pre>:- dynamic(counter/1).
:- dynamic(lives/2, works/2).
:- dynamic([db/4, key/2, file/3]).</pre>
</blockquote>
<div class="navbottom">
<a href="discontiguous1.html">previous</a> | <a href="../../glossary.html">glossary</a> | <a href="info2.html">next</a>
</div>
<div class="copyright">
Copyright © <a href="mailto:pmoura@logtalk.org">Paulo Moura</a> — <a href="http://www.logtalk.org">Logtalk.org</a>
</div>
<div class="footer">
<p><span class="bleft"><a href="http://validator.w3.org/check/referer">XHTML</a> + <a href="http://jigsaw.w3.org/css-validator/check/referer">CSS</a></span><span class="bright">Last updated on: October 4, 2003</span></p>
</div>
</body>
</html>