0;        <span class="keyword">struct </span>at_c_impl&lt;3&gt; {</div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;            <span class="keyword">template</span> &lt;<span class="keyword">typename</span> IntTypes, <span class="keyword">typename</span> ValueType&gt; <span class="keyword">inline</span></div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;            <span class="keyword">static</span> ValueType apply(std::size_t index) {</d