      in_file &gt;&gt; label_for_repeat_;</div><div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;                 in_file.close();</div><div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;             };</div><div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;         };</div><div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;         <span class="keyword">virtual</span> ~<a class="code" href="class_s