# File lib/spreadsheet/excel/row.rb, line 31
  def [] idx, len=nil
    if len
      idx = idx...(idx+len)
    end
    if idx.is_a? Range
      data = []
      idx.each do |i|
        data.push enriched_data(i, at(i))
      end
      data
    else
      enriched_data idx, at(idx)
    end
  end