This repository has been archived on 2023-08-20. You can view files and clone it, but cannot push or open issues or pull requests.
yap-6.3/Logtalk/manuals/refman/directives/protected1.html
pmoura 36a326908c Logtalk 2.28.2 files.
git-svn-id: https://yap.svn.sf.net/svnroot/yap/trunk@1711 b08c6af1-5177-4d33-ba66-4b1c6b8b522a
2006-11-07 17:11:47 +00:00

66 lines
2.6 KiB
HTML

<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN"
"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
<head>
<meta http-equiv="content-type" content="application/xml+xhtml; charset=utf-8" />
<title>Logtalk predicate directive: protected/1</title>
<link rel="stylesheet" href="../../screen.css" type="text/css" media="screen"/>
<link rel="stylesheet" href="../../print.css" type="text/css" media="print"/>
</head>
<body>
<div class="top-left">Logtalk reference manual</div>
<div class="top-right">Predicate directive: protected/1</div>
<div class="bottom-left"><span class="page"/></div>
<div class="bottom-right"><span class="page"/></div>
<div class="navtop"><a href="../../index.html">contents</a> &gt; <a href="../index.html">reference manual</a> &gt; <a href="../index.html#directives">directives</a></div>
<h2 class="codenp">protected/1<span id="directives_protected1"/></h2>
<h4>Description</h4>
<pre>protected(Functor/Arity)
protected(Functor1/Arity1, Functor2/Arity2, ...)
protected([Functor1/Arity1, Functor2/Arity2, ...])
protected(Functor//Arity)
protected(Functor1//Arity1, Functor2//Arity2, ...)
protected([Functor1//Arity1, Functor2//Arity2, ...])</pre>
<p>
Declares protected predicates and protected grammar rule non-terminals. A protected predicate can only be called from the object containing the directive or from an object that inherits the directive. A protected non-terminal can only be used as an argument in a <a title="Consult reference manual" href="../methods/phrase2.html"><code>phrase/2</code></a> and <a title="Consult reference manual" href="../methods/phrase3.html"><code>phrase/3</code></a> messages sent from the object containing the directive or from an object that inherits the directive.
</p>
<h4>Template and modes</h4>
<pre>protected(+predicate_indicator_term)
protected(+non_terminal_indicator_term)</pre>
<h4>Examples</h4>
<pre>:- protected(init/1).
:- protected(print/2, convert/4).
:- protected([load/1, save/3]).</pre>
<div class="footer">
<div class="copyright">
<span>Copyright &copy; <a href="mailto:pmoura@logtalk.org">Paulo Moura</a> &mdash; <a href="http://logtalk.org">Logtalk.org</a></span><br/>
<span>Last updated on: October 26, 2006</span>
</div>
<div class="navbottom">
<span><a href="private1.html">previous</a> | <a href="../../glossary.html">glossary</a> | <a href="public1.html">next</a></span><br/>
<span><a href="http://validator.w3.org/check/referer">XHTML</a> + <a href="http://jigsaw.w3.org/css-validator/check/referer">CSS</a></span>
</div>
</div>
</body>
</html>