# Application specific MessagePack extension
class MsgPackExt
	serialize

	# Custom type code, in [0..127]
	var typ: Int

	# Data bytes
	var data: Bytes

	redef fun hash do return typ.hash + data.hash*8
	redef fun ==(o) do return o isa MsgPackExt and o.typ == typ and o.data == data
	redef fun to_s do return "<{class_name} typ: {typ.to_b}, data: {data.chexdigest}>"
end