<?xml version="1.0" encoding="UTF-8"?>
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 *
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 *
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 * pursuant to article 5.3.4 of the CeCILL v.2.1.
 * This file was originally licensed under the terms of the CeCILL v2.1,
 * and continues to be available under such terms.
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<refentry 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" xmlns:scilab="http://www.scilab.org" xml:id="definedfields" xml:lang="pt">
    <refnamediv>
        <refname>definedfields</refname>
        <refpurpose>retorna o índice dos campos definidos de uma
            lista
        </refpurpose>
    </refnamediv>
    <refsynopsisdiv>
        <title>Seqüência de Chamamento</title>
        <synopsis>k=definedfields(l)</synopsis>
    </refsynopsisdiv>
    <refsection>
        <title>Parâmetros</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 índices .</para>
                </listitem>
            </varlistentry>
        </variablelist>
    </refsection>
    <refsection>
        <title>Descrição</title>
        <para>
            Se <literal>l</literal> é do tipo <literal>list</literal>
            <literal>tlist</literal> <literal>mlist</literal>
            <literal>k=definedfields(l)</literal> retorna em <literal>k</literal> os
            índices dos campos definidos da lista. Esta função é útil porque a
            indexação 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 role="see also">
        <title>Ver Também</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>
