One thought on the bytes vs string aspect: as shown in the SO question, it
isn't beyond imagining to want to use a guid/uuid with "map" - which
wouldn't be possible with (raw) bytes.
As an additional consideration for bytes : there are at least two binary
representations of guid/uuid - i.e. which
I haven't had to store a GUID/UUID in a proto before but it seems like
string or bytes would be the best choice. You would definitely want to use
bytes (not string) if you're using the binary representation, since string
fields are for UTF-8 only. We could consider eventually creating a
well-known
A question on Stack Overflow earlier (
https://stackoverflow.com/questions/47674930/google-protobuf-proto-file-query/4767629)
reminded me that I'm not fully "up" on the conventions for using guids in
protobuf.
There's no primitive / keyword for them, and AFAIK no "well known type". So
: how do
