class Symbol

def self.from_msgpack_ext(data)
  # from_msgpack_ext is supposed to parse a binary string.
  # The canonical way to do it for symbols would be:
  #  data.unpack1('A*').to_sym
  # However in this instance we can take a shortcut
  data.to_sym
end

def to_msgpack_with_packer(packer)
  packer.write_symbol self
  packer
end