values_at (FasterCSV::Table)

    # File lib/faster_csv.rb, line 584
        def values_at(*indices_or_headers)
          if @mode == :row or  # by indices
             ( @mode == :col_or_row and indices_or_headers.all? do |index|
                                          index.is_a?(Integer)         or
                                          ( index.is_a?(Range)         and
                                            index.first.is_a?(Integer) and
                                            index.last.is_a?(Integer) )
                                        end )
            @table.values_at(*indices_or_headers)
          else                 # by headers
            @table.map { |row| row.values_at(*indices_or_headers) }
          end
        end