module Google
module Google::Protobuf
module Google::Protobuf::MessageExts
module Google::Protobuf::MessageExts::ClassMethods
class Google::Protobuf::Error
class Google::Protobuf::ParseError
class Google::Protobuf::RepeatedField
class Google::Protobuf::RepeatedField::ProxyingEnumerator
class Google::Protobuf::UnexpectedStructType
google-protobuf
3.5.0
# empty?
def empty? self.size == 0 end