25"></a><span class="lineno">  225</span>  <span class="comment">// Subtracts a vector from this vector</span></div>
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno">  226</span>  <a class="code hl_class" href="class_vec.html">Vec</a>&amp; operator-=(<span class="keyword">const</span> <a class="code hl_class" href="class_vec.html">Vec</a>&amp; other) {</div>
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno">  227</span>    x -= other.x;</div>
<div class="line"><a