# File lib/sass/script/tree/funcall.rb, line 72
    def to_sass(opts = {})
      arg_to_sass = lambda do |arg|
        sass = arg.to_sass(opts)
        sass = "(#{sass})" if arg.is_a?(Sass::Script::Tree::ListLiteral) && arg.separator == :comma
        sass
      end

      args = @args.map(&arg_to_sass)
      keywords = Sass::Util.hash_to_a(@keywords.as_stored).
        map {|k, v| "$#{dasherize(k, opts)}: #{arg_to_sass[v]}"}

      # rubocop:disable RedundantSelf
      if self.splat
        splat = "#{arg_to_sass[self.splat]}..."
        kwarg_splat = "#{arg_to_sass[self.kwarg_splat]}..." if self.kwarg_splat
      end
      # rubocop:enable RedundantSelf

      arglist = [args, splat, keywords, kwarg_splat].flatten.compact.join(', ')
      "#{dasherize(name, opts)}(#{arglist})"
    end