【sv】 pack/unpack stream
https://www.amiq.com/consulting/2017/05/29/how-to-pack-data-using-systemverilog-streaming-operators/
https://www.amiq.com/consulting/2017/06/23/how-to-unpack-data-using-the-systemverilog-streaming-operators/
https://www.amiq.com/consulting/2017/05/29/how-to-pack-data-using-systemverilog-streaming-operators/
https://www.amiq.com/consulting/2017/06/23/how-to-unpack-data-using-the-systemverilog-streaming-operators/