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<h2 class="memtitle"><span class="permalink"><a href="#ac4a67ec8ec5c496f331e10a01acf7ef8">&#9670;&#160;</a></span>operator bool()</h2>

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template&lt;typename... Owned, typename... Get, typename... Exclude&gt; </div>
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          <td class="memname"><a class="el" href="classentt_1_1basic__group.html">entt::basic_gro