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<?xml version="1.0"?>
<page id="GIRepository.arg_info_is_optional"
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>gboolean</api:type>
</api:returns>
<api:name>g_arg_info_is_optional</api:name>
<api:arg>
<api:type>GIRepository.ArgInfo</api:type>
<api:name>info</api:name>
</api:arg>
</api:function>
</info>
<title>arg_info_is_optional</title>
<synopsis><code mime="text/x-python">
@accepts(GIRepository.ArgInfo)
@returns(gboolean)
def arg_info_is_optional(info)
</code></synopsis>
<p>Obtain if the argument is optional.</p>
<table>
<tr>
<td><p>info :</p></td>
<td><p>a <link xref="GIArgInfo">GIArgInfo</link></p></td>
</tr>
<tr>
<td><p>Returns :</p></td>
<td><p>True if it is an optional argument</p></td>
</tr>
</table>
</page>
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