RFR 8251989: Hex encoder and decoder utility

[Raffaello Giulietti]

Hi Roger,

On 2020-08-21 18:38, Roger Riggs wrote:
> Hi Rafaello,
> 

(It's Raffaello, with 2 effs.)


> 
> I'll let some of the higher level API questions settle before updating 
> the webrev.
> 
> Thanks, Roger
> 

Sure.

In the meantime I'll nevertheless take a look at the current 
implementation of the Decoder.


Greetings
Raffaello