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          <td class="memname">constexpr auto boost::hana::or_</td>
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<span class="mlabels"><span class="mlabel">constexpr</span></span>  </td>
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<p><code>#include &lt;<a class="el" href="fwd_2or_8hpp.html">boost/hana/fwd/or.hpp</a>&gt;</code></p>
<b>Initial value:</b><div class="fragment"><div class="line">= [](<span class="keyword">auto</span>&amp;&amp; x, <span class="keyword">auto</span>&