span>&#160;    T <span class="keyword">const</span>&amp; operator[](std::size_t i)<span class="keyword"> const</span></div>
<div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;<span class="keyword">    </span>{</div>
<div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;        <span class="keywordflow">return</span> this-&gt;*mem_array[i];</div>
<div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;    }</div>
<div class="line"><a na