The P function searches for a protocol message descriptor in the descriptor pool.
P
P(type, file)
Fully qualified type name of the protocol buffer or extension
optional proto file. If given, the definition contained in the file is first registered with the pool of message descriptors
An object of class '>Descriptor for message types or '>FieldDescriptor for extensions. An error is generated otherwise.
# NOT RUN { proto.file <- system.file( "proto", "addressbook.proto", package = "RProtoBuf" ) Person <- P( "tutorial.Person", file = proto.file ) # } # NOT RUN { cat(as.character( Person )) # }
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