an><span class="keyword">double</span> <span class="identifier">get</span><span class="special">(</span><span class="identifier">QPoint</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">p</span><span class="special">)</span>
                <span class="special">{</span>
                    <span class="keyword">return</span> <span class="identifier">p</span><span class="special">.</span><span class="identifier">x</span><span class="special">;</span>
      