ion" class="table-programlisting"><span class="keyword">char</span> <span class="keyword">operator</span><span class="special">[](</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span> <span class="identifier">index</span><span class="special">)</span></pre>
<p>
                  </p>
                </td>
<td>
                  <p>
                    Subscript operator.
                  </p>
                </td>
<td>
                  <p>
        