# File lib/dbi/row.rb, line 44
  def []=(*args)
     #if args.size == 1
     #  raise ArgumentError, "wrong # of arguments(#{args.size} for at least 2)"
     if args.size == 2
       @arr[conv_param(args[0])] = args[-1]
     elsif args.size == 3
       @arr[conv_param(args[0]), conv_param(args[1])] = args[-1]
     else
       raise ArgumentError, "wrong # of arguments(#{args.size} for 2)"
     end
  end