&lt; <span class="stringliteral">&quot;, &quot;</span></div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;       &lt;&lt; rect.h &lt;&lt; std::endl;</div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;    <span class="keywordflow">return</span> os;</div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;}</div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;</div>
<div class="line"><a 