<?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 built-in predicate: current_logtalk_flag/2</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#builtins">built-in predicates</a>
</div>
<h2><code>current_logtalk_flag/2</code></h2>
<h4>Description</h4>
<blockquote>
<pre>current_logtalk_flag(Flag, Value)</pre>
<p>
Enumerates, by backtracking, the current Logtalk flag values.
</p>
</blockquote>
<h4>Template and modes</h4>
<pre>current_logtalk_flag(?atom, ?atom)</pre>
<h4>Errors</h4>
<dl>
<dt>Flag is neither a variable nor an atom:</dt>
<dd><code>type_error(atom, Flag)</code></dd>
<dt>Flag is not a valid flag:</dt>
<dd><code>domain_error(valid_flag, Value)</code></dd>
</dl>
<h4>Examples</h4>
<pre>| ?- current_logtalk_flag(xml, Value).</pre>
<div class="navbottom">
<a href="logtalk_load2.html">previous</a> | <a href="../../glossary.html">glossary</a> | <a href="set_logtalk_flag2.html">next</a>
<div class="copyright">
Copyright © <a href="mailto:pmoura@logtalk.org">Paulo Moura</a> — <a href="http://www.logtalk.org">Logtalk.org</a>
<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: December 23, 2003</span></p>
</body>
</html>
