[protobuf] Enum field encoding question

[Burak Kirazli]

Hello,

I am new to protobuf. 

I have a request message like that

message CommandRequest
{
    enum Code
    {
        RESET = 0;
        ERASE_APP = 2;
        ERASE_OTA = 3;
    }
    
    Code code = 1;
}

When I am trying to encode a request with zero value, i see that encoded 
size is zero. What will be exchanged?

    //Qt project

    CommandRequest req;
    req.set_code(CommandRequest_Code::CommandRequest_Code_RESET);
    qDebug() << req.ByteSizeLong() << endl;
    
    //Output of this code is:
    0


Thanks.

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