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template&lt;typename Tag , typename... T&gt; </td></tr>
<tr class="memitem:ga7fdbde52f5fe384a816c6f39ff272df9"><td class="memTemplItemLeft" align="right" valign="top">constexpr auto&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="group__group-core.html#ga7fdbde52f5fe384a816c6f39ff272df9">boost::hana::is_an</a> = is_a&lt;Tag, T...&gt;</td></tr>
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