sunruifeng0602

I studied the examples in [packetinout](https://github.com/jafingerhut/p4-guide/tree/master/ptf-tests/packetinout) and [registeraccess](https://github.com/jafingerhut/p4-guide/tree/master/ptf-tests/registeraccess). In [registeraccess](https://github.com/jafingerhut/p4-guide/tree/master/ptf-tests/registeraccess)，a value is read each time through the index of the register. Is there any way to return the entire register?...