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?
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