><span class="p">.</span><span class="n">x</span><span class="p">();</span>                       <span class="c1">// move to (11,10)</span>
<span class="n">loc</span><span class="p">.</span><span class="n">y</span><span class="p">()</span><span class="o">+=</span><span class="mi">15</span><span class="p">;</span>                     <span class="c1">// move to (11,25)</span>
<span class="n">loc</span><span class="o">-=</span><span class="n">point</span><span class="o">&lt;</span><span class="n">std</span><