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<?xml version="1.0"?>
<page id="GIRepository.union_info_get_discriminator"
type="topic"
style="function"
xmlns="http://projectmallard.org/1.0/"
xmlns:api="http://projectmallard.org/experimental/api/"
xmlns:ui="http://projectmallard.org/experimental/ui/">
<info>
<link type="guide" xref="index" group="function"/>
<api:function>
<api:returns>
<api:type>GIConstantInfo*</api:type>
</api:returns>
<api:name>g_union_info_get_discriminator</api:name>
<api:arg>
<api:type>GIUnionInfo*</api:type>
<api:name>info</api:name>
</api:arg>
<api:arg>
<api:type>gint</api:type>
<api:name>n</api:name>
</api:arg>
</api:function>
</info>
<title>g_union_info_get_discriminator</title>
<synopsis><code mime="text/x-csrc">
GIConstantInfo* g_union_info_get_discriminator (GIUnionInfo* info,
gint n);
</code></synopsis>
<p>Obtain discriminator value assigned for n-th union field, i.e. n-th
union field is the active one if discriminator contains this
constant.</p><p>when done.</p>
<table>
<tr>
<td><p>info :</p></td>
<td><p>a <link xref="GIRepository.UnionInfo">GIRepository.UnionInfo</link></p></td>
</tr>
<tr>
<td><p>n :</p></td>
<td><p>a union field index</p></td>
</tr>
<tr>
<td><p>Returns :</p></td>
<td><p>the <link xref="GIRepository.ConstantInfo">GIRepository.ConstantInfo</link>, free it with g_base_info_unref()</p></td>
</tr>
</table>
</page>
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