module EventMachine
module Protobuf
module Protobuf::Decoder
module Protobuf::Encoder
module Protobuf::Field
module Protobuf::Logger::LogMethods
module Protobuf::Rpc
module Protobuf::Rpc::Connectors
module Protobuf::Rpc::Connectors::Common
module Protobuf::Rpc::Evented
module Protobuf::Rpc::Server
module Protobuf::Rpc::ServiceFilters
module Protobuf::Rpc::ServiceFilters::ClassMethods
module Protobuf::Rpc::ServiceFilters::InstanceMethods
module Protobuf::Rpc::Socket
module Protobuf::Rpc::Zmq
module Protobuf::Rpc::Zmq::Util
module Protobuf::Socketrpc
module Protobuf::WireType
class Protobuf::CLI
class Protobuf::Enum
class Protobuf::EnumValue
class Protobuf::Error
class Protobuf::Extend
class Protobuf::Field::BaseField
class Protobuf::Field::BoolField
class Protobuf::Field::BytesField
class Protobuf::Field::DoubleField
class Protobuf::Field::EnumField
class Protobuf::Field::ExtensionFields
class Protobuf::Field::FieldArray
class Protobuf::Field::Fixed32Field
class Protobuf::Field::Fixed64Field
class Protobuf::Field::FloatField
class Protobuf::Field::Int32Field
class Protobuf::Field::Int64Field
class Protobuf::Field::IntegerField
class Protobuf::Field::MessageField
class Protobuf::Field::Sfixed32Field
class Protobuf::Field::Sfixed64Field
class Protobuf::Field::SignedIntegerField
class Protobuf::Field::Sint32Field
class Protobuf::Field::Sint64Field
class Protobuf::Field::StringField
class Protobuf::Field::Uint32Field
class Protobuf::Field::Uint64Field
class Protobuf::Field::VarintField
class Protobuf::InvalidWireType
class Protobuf::Logger
class Protobuf::Message
class Protobuf::Message::FieldNotDefinedError
class Protobuf::NotInitializedError
class Protobuf::Rpc::BadRequestData
class Protobuf::Rpc::BadRequestProto
class Protobuf::Rpc::BadResponseProto
class Protobuf::Rpc::Buffer
class Protobuf::Rpc::Client
class Protobuf::Rpc::Connector
class Protobuf::Rpc::Connectors::Base
class Protobuf::Rpc::Connectors::EMClient
class Protobuf::Rpc::Connectors::EventMachine
class Protobuf::Rpc::Connectors::Socket
class Protobuf::Rpc::Connectors::Zmq
class Protobuf::Rpc::Evented::Server
class Protobuf::Rpc::EventedRunner
class Protobuf::Rpc::IOError
class Protobuf::Rpc::InvalidRequestProto
class Protobuf::Rpc::MethodNotFound
class Protobuf::Rpc::PbError
class Protobuf::Rpc::RpcError
class Protobuf::Rpc::RpcFailed
class Protobuf::Rpc::Service
class Protobuf::Rpc::ServiceDispatcher
class Protobuf::Rpc::ServiceNotFound
class Protobuf::Rpc::Socket::Server
class Protobuf::Rpc::Socket::Worker
class Protobuf::Rpc::SocketRunner
class Protobuf::Rpc::Stat
class Protobuf::Rpc::UnkownHost
class Protobuf::Rpc::Zmq::Broker
class Protobuf::Rpc::Zmq::Server
class Protobuf::Rpc::Zmq::Worker
class Protobuf::Rpc::ZmqRunner
class Protobuf::Socketrpc::ErrorReason
class Protobuf::Socketrpc::Request
class Protobuf::Socketrpc::Response
class Protobuf::TagCollisionError
protobuf
2.2.3
# optional?
def optional? return @_optional unless @_optional.nil? @_optional = (@rule == :optional) end