">:</span> <span class="kt">Int32</span><span class="p">?</span> <span class="o">=</span> <span class="kc">nil</span><span class="p">,</span> <span class="nv">reverse</span><span class="p">:</span> <span class="kt">Bool</span><span class="p">?</span> <span class="o">=</span> <span class="kc">nil</span><span class="p">)</span></code></pre>

                        </div>
                      </div>
                      <div class="slightly-smaller">
                        <a href="https://github.com/EOSIO