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<?xml version="1.0" encoding="ISO-8859-1"?>
<!--
* Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
* Copyright (C) 2006-2008 - INRIA
*
* This file must be used under the terms of the CeCILL.
* This source file is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at
* http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
*
-->
<refentry version="5.0-subset Scilab" xml:id="definedfields" xml:lang="en"
xmlns="http://docbook.org/ns/docbook"
xmlns:xlink="http://www.w3.org/1999/xlink"
xmlns:svg="http://www.w3.org/2000/svg"
xmlns:ns3="http://www.w3.org/1999/xhtml"
xmlns:mml="http://www.w3.org/1998/Math/MathML"
xmlns:db="http://docbook.org/ns/docbook">
<info>
<pubdate>$LastChangedDate$</pubdate>
</info>
<refnamediv>
<refname>definedfields</refname>
<refpurpose>retorna o ndice dos campos definidos de uma
lista</refpurpose>
</refnamediv>
<refsynopsisdiv>
<title>Seqncia de Chamamento</title>
<synopsis>k=definedfields(l)</synopsis>
</refsynopsisdiv>
<refsection>
<title>Parmetros</title>
<variablelist>
<varlistentry>
<term>l</term>
<listitem>
<para>uma lista, tlist ou mlist </para>
</listitem>
</varlistentry>
<varlistentry>
<term>k</term>
<listitem>
<para>um vetor de ndices .</para>
</listitem>
</varlistentry>
</variablelist>
</refsection>
<refsection>
<title>Descrio</title>
<para>Se <literal>l</literal> do tipo <literal>list</literal>
<literal>tlist</literal> <literal>mlist</literal>
<literal>k=definedfields(l)</literal> retorna em <literal>k</literal> os
ndices dos campos definidos da lista. Esta funo til porque a
indexao de campos indefinidos acarreta erros.</para>
</refsection>
<refsection>
<title>Exemplos</title>
<programlisting role="example"><![CDATA[
l=list(1);l(3)=5
k=definedfields(l)
t=tlist('x');t(5)=4
definedfields(t)
m=mlist(['m','a','b']);m.b='sdfgfgd'
definedfields(m)
]]></programlisting>
</refsection>
<refsection>
<title>Ver Tambm</title>
<simplelist type="inline">
<member><link linkend="list">list</link></member>
<member><link linkend="tlist">tlist</link></member>
<member><link linkend="mlist">mlist</link></member>
<member><link linkend="insertion">insertion</link></member>
<member><link linkend="extraction">extraction</link></member>
</simplelist>
</refsection>
</refentry>
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