- o -

• object : Dispatcher< class_t >
• observables : Dispatcher< class_t >
• observers : Observable
• offbeg : Tokenizer
• offend : Tokenizer
• offset : Tokenizer
• online_learning : ContextTracker
• ONLINE_LEARNING : ContextTracker
• outstream : Logger< _charT, _Traits > , ProgressBar< _charT, _Traits >