# NOT RUN {
# example proto file supplied with this package
proto.file <- system.file( "proto", "addressbook.proto", package = "RProtoBuf" )
# reading a proto file and creating the descriptor
Person <- P( "tutorial.Person", file = proto.file )
# }
# NOT RUN {
# creating a prototype message from the descriptor
sheep <- new( Person, email = "francoisromain@free.fr", id = 2 )
# cloning the sheep
newsheep <- clone( sheep )
# clone and update at once
newsheep <- clone( sheep, id = 3 )
# this can also be used as a pseudo method
sheep$clone()
sheep$clone( id = 3 )
# }
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