send_data

# File lib/net/imap.rb, line 1243
    def send_data(data)
      case data
      when nil
        put_string("NIL")
      when String
        send_string_data(data)
      when Integer
        send_number_data(data)
      when Array
        send_list_data(data)
      when Time
        send_time_data(data)
      when Symbol
        send_symbol_data(data)
      else
        data.send_data(self)
      end
    end