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A comment on Jepsen: Etcd 3.4.3. Parent comment

Re:Jepsen: Etcd 3.4.3 by gabetax on Thursday January 30, 2020 @06:58PM (#22197397)
You can implement emptiness with the wrapper message types, e.g. StringValue: https://github.com/protocolbuffers/protobuf/blob/master/src/...

and sometimes defining your own, e.g. nullable lists.

It's not elegant, but it is simple.

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Re:Jepsen: Etcd 3.4.3 by m0zg on Thursday January 30, 2020 @11:19PM (#22199000)
But the point is, proto2 had this feature, and it worked without any hacks.
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