Thank you very much for an answer, I thought that I'm missing
something when I saw empty debug string.

On Jul 5, 3:24 am, Kenton Varda <> wrote:
> The purpose of default values is to define what the getter methods for those
> fields return when the field is not set.  This is really the only purpose.
> We do not serialize default values because it would be a waste of space.
> On Sat, Jul 4, 2009 at 1:47 PM, Zl D <> wrote:
> > Hi,
> > I define a message in .proto file with default values for all
> > elements. After instantiation of generated class (C++), calling
> > 'PrintDebugString()' or 'SerializeToOstream()' produces no output.  If
> > I set the any element manually via 'set_' method, then on output I get
> > only that value. Calling getter for particular element produces
> > output.
> > Why cannot I get default values printed out using PrintDebugString()
> > method (or serialized via 'SerializeToOstream()')?
> > Regards,
> > Zlatko
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