r value_address()<span class="keyword"> const</span>{<span class="keywordflow">return</span> value_pointer(<span class="keyword">this</span>);}</div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;                value_pointer value_address(){<span class="keywordflow">return</span> value_pointer(<span class="keyword">this</span>);}</div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;</div>
<div class="line"><a name="l00054"></a><span class="line