</div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;                <span class="keyword">typedef</span> T value_type;</div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;</div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;        <span class="keyword">private</span>:</div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;                col_type value[3];</div>
<div class="line"><a