# File lib/sass/script/value/list.rb, line 52 def to_sass(opts = {}) return "()" if value.empty? members = value.map do |v| if element_needs_parens?(v) "(#{v.to_sass(opts)})" else v.to_sass(opts) end end return "(#{members.first},)" if members.length == 1 && separator == :comma members.join(sep_str(nil)) end