On Mon, Mar 14, 2011 at 1:12 PM, steph <preston....@gmail.com> wrote:
> given the following: > > message ClassA { > required int value1 = 1; > required int value2 = 2; > optional ClassB value3 = 3; > } > > message ClassB { > required int value1 = 1; > required int value2 = 2; > } > > > It states in the googleprotocol guide that an optional parameter is > given a default value if it is not set, if it is a primative type it > is that primitive types default state. However it does not specify > what is the default state of a custom message. > > So my question is in my code I want to be able to tell if the my > ClassA object had value3 set or not. Will it be set to null? > No, getting value3 will return an instance of ClassB in its default state. To determine if value3 has been explicitly set, use has_value3(). > > -- > You received this message because you are subscribed to the Google Groups > "Protocol Buffers" group. > To post to this group, send email to protobuf@googlegroups.com. > To unsubscribe from this group, send email to > protobuf+unsubscr...@googlegroups.com. > For more options, visit this group at > http://groups.google.com/group/protobuf?hl=en. > > -- You received this message because you are subscribed to the Google Groups "Protocol Buffers" group. To post to this group, send email to protobuf@googlegroups.com. To unsubscribe from this group, send email to protobuf+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/protobuf?hl=en.