<% items = @site.items_by_date @category index = items.index(@item) next_item = items[index + 1] prev_item = index > 0 ? items[index - 1] : nil %> <% unless prev_item.nil? %> ‹ <%= prev_item[:title] %> <% end %> <% unless next_item.nil? %> <%= next_item[:title] %> › <% end %>