Write value as a MessagePack float (losing precision)

Property definitions

msgpack :: write $ Writer :: write_msgpack_float
	# Write `value` as a MessagePack float (losing precision)
	fun write_msgpack_float(value: Float)
	do
		write_byte 0xCA
		write_float value
	end
lib/msgpack/write.nit:136,2--141,4