fields (FasterCSV::Row)

    # File lib/faster_csv.rb, line 281
        def fields(*headers_and_or_indices)
          if headers_and_or_indices.empty?  # return all fields--no arguments
            @row.map { |pair| pair.last }
          else                              # or work like values_at()
            headers_and_or_indices.inject(Array.new) do |all, h_or_i|
              all + if h_or_i.is_a? Range
                index_begin = h_or_i.begin.is_a?(Integer) ? h_or_i.begin :
                                                            index(h_or_i.begin)
                index_end   = h_or_i.end.is_a?(Integer)   ? h_or_i.end :
                                                            index(h_or_i.end)
                new_range   = h_or_i.exclude_end? ? (index_begin...index_end) :
                                                    (index_begin..index_end)
                fields.values_at(new_range)
              else
                [field(*Array(h_or_i))]
              end
            end
          end
        end