# File lib/faster_csv.rb, line 615
    def delete(index_or_header)
      if @mode == :row or  # by index
         (@mode == :col_or_row and index_or_header.is_a? Integer)
        @table.delete_at(index_or_header)
      else                 # by header
        @table.map { |row| row.delete(index_or_header).last }
      end
    end