It depends on what protobuf version you are using. There will be a had_foo()
for each optional field if you are using protobuf version 2.xx (see C++
You are out of luck if you are using V3.0 because you will have to create
your own boolean fields if you need to track whether the optional is
populated or not.
On Tuesday, March 17, 2015 at 2:09:21 PM UTC-4, s_mitra wrote:
> I have doing some coding related to protobuf where server and client will
> exchange some info via protobuf.
> In the response object I have multiple optional message objects.
> How to check which all object is empty and which is not ??
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