td><td class="memItemRight" valign="bottom"><a class="el" href="#ac4a67ec8ec5c496f331e10a01acf7ef8">operator bool</a> () const noexcept</td></tr>
<tr class="memdesc:ac4a67ec8ec5c496f331e10a01acf7ef8"><td class="mdescLeft">&#160;</td><td class="mdescRight">Checks if a group is properly initialized.  <br /></td></tr>
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