URI::FTP#to_s

# File tmp/rubies/ruby-3.1.3/lib/uri/ftp.rb, line 251
def to_s
  save_path = nil
  if @typecode
    save_path = @path
    @path = @path + TYPECODE_PREFIX + @typecode
  end
  str = super
  if @typecode
    @path = save_path
  end

  return str
end