 class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;<span class="comment">                // Accesses</span></div>
<div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;<span class="comment">                col_type&amp; operator[](size_type i);</span></div>
<div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;<span class="comment">                col_type const &amp; operator[](size_type i) const;</span></div>
<div class="line"><a name=