<?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: info/2</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: info/2</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> > <a href="../index.html">reference manual</a> > <a href="../index.html#directives">directives</a></div> <h2 class="code">info/2</h2> <h4>Description</h4> <pre>info(Functor/Arity, List) info(Functor//Arity, List)</pre> <p> Documentation directive for predicates and grammar rule non-terminals. </p> <h4>Template and modes</h4> <pre>info(+predicate_indicator, +info_list) info(+non_terminal_indicator, +info_list)</pre> <h4>Examples</h4> <pre>:- info(empty/1, [ comment is 'True if the argument is an empty list.', argnames is ['List']]). :- info(sentence//0, [ comment is 'Rewrites a sentence into a noun phrase and a verb phrase.']).</pre> <div class="footer"> <div class="navbottom"><a href="dynamic1.html">previous</a> | <a href="../../glossary.html">glossary</a> | <a href="metapredicate1.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="footnote"> <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> <span class="date">Last updated on: November 16, 2005</span> </div> </div> </body> </html>