<%= nav pills => [
                ['Item 1', ['#'] ],
                ['Item 2', ['#'], active ],
                ['Item 3', ['#'] ],
                ['Item 4', ['#'], disabled ],
            ]
    %>
    <ul class="nav nav-pills">
        <li><a href="#">Item 1</a></li>
        <li class="active"><a href="#">Item 2</a></li>
        <li><a href="#">Item 3</a></li>
        <li class="disabled"><a href="#">Item 4</a></li>
    </ul>