In a codebase I see some protobuf definition as
message Foo {
repeated FooData foo_data = 1;
}
Later on these protobufs are used in a C++ method in the following way
auto& bar = *protobuf_foo.add_foo_data();
but I don’t see add_foo_data() defined anywhere. Is this a protobuf property that prepending add_ and adding parentheses at the end is some sort of reserved syntax?
>Solution :
This method comes from c++ code generated from protobuf definitions.
https://developers.google.com/protocol-buffers/docs/reference/cpp-generated