span>&#160;        <span class="keyword">public</span>:</div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;                <span class="keyword">enum</span> ctor{null};</div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;</div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;                <span class="keyword">typedef</span> VALTYPE value_type;</div>
<div class="line"><a name="l00059"></a><span class="lineno">  