FCS) would have allowed a function call of <code class="docutils literal"><span class="pre">x.f(y)</span></code> to become
<code class="docutils literal"><span class="pre">f(x,</span> <span class="pre">y)</span></code>. However, this was rejected by the comittee. So instead pipable functions can be
used to achieve extension methods. So it can be written like this:</p>
<div class="highlight-cpp"><div class="highlight"><pre><span></span><span class="k">auto</span> <span class="n">r</span> <span class="o">=</s