0</span>&#160;    point operator&lt;&lt;(std::ptrdiff_t shift)<span class="keyword"> const</span></div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;<span class="keyword">    </span>{</div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;        <span class="keywordflow">return</span> point(x &lt;&lt; shift, y &lt;&lt; shift);</div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;    }</div>
<div class="line"><a nam