    <pre class="highlight swift"><code><span class="kd">public</span> <span class="kd">func</span> <span class="nf">perform</span><span class="p">(</span><span class="n">on</span> <span class="nv">viewController</span><span class="p">:</span> <span class="kt">VC</span><span class="p">,</span> <span class="n">with</span> <span class="nv">context</span><span class="p">:</span> <span class="kt">C</span><span class="p">)</span> <span class="k">throws</span></code></pre>

                        </div>
         