"><a href="is_vec.html">is_vec</a></span>&lt;V&gt;::value</i> is <i>true</i>.</p>
<h4>Requirements:</h4>
<div><ul><li><i><span class="RenoLink"><a href="is_vec.html">is_vec</a></span>&lt;<span class="RenoLink">deduce_vec</span>&lt;V&gt;::type&gt;::value</i> must be <i>true</i></li>
<li><i><span class="RenoLink">deduce_vec</span>&lt;V&gt;::type</i> must be copyable</li>
<li><i><span class="RenoLink"><a href="vec_traits.html">vec_traits</a></span>&lt;<span class="RenoLink">deduce_vec</span>&lt;V&gt;::type