m-block m-default">
          <h3>Contents</h3>
          <ul>
            <li>
              Reference
              <ul>
                <li><a href="#typeless-methods">Constructors, destructors, conversion operators</a></li>
                <li><a href="#pub-methods">Public functions</a></li>
                <li><a href="#friends">Friends</a></li>
              </ul>
            </li>
          </ul>
        </nav>
        <section id="typeless-methods">
          <h2><a href="#typeless-methods">Construc