- o -

• Object_t : geo::details::Comparer< T, Key, KeyExtractor, KeyComparer >
• ODP : phot::PDFastSimPAR::Config
• on_rpworker_t : art::RPManager
• OpDetID_t : geo::OpDetID , phot::IPhotonMappingTransformations
• OpDetList_t : geo::CryostatGeo
• OpDets_t : geo::GeometryBuilderStandard
• OpDetToLibraryIndexMap : phot::IPhotonMappingTransformations
• opt_type : art::MallocOptionSetter , art::MallocOpts
• optical_tick : detinfo::DetectorTimings
• optical_tick_d : detinfo::DetectorTimings
• optical_time : detinfo::DetectorTimings
• optical_time_ticks : detinfo::DetectorTimings
• Option_t : util::details::MultipleChoiceSelectionOption_t< Choices > , util::MultipleChoiceSelection< Choices >
• OptionalAtom : art::ClosingCriteria::Config
• OptionLabelMap_t : util::MultipleChoiceSelection< Choices >
• OptionList_t : util::MultipleChoiceSelection< Choices >
• other : lar::BulkAllocator< T >::rebind< U >
• other_interval_t : util::quantities::concepts::Interval< Q, Cat >
• other_point_t : util::quantities::concepts::Point< Q, Cat, IV >
• otherInfo_t : art::MemoryTracker
• OuterIterator_t : lar::deep_const_fwd_iterator_nested< ITER, INNERCONTEXTRACT >
• OutOfRangeError : util::flags::BitMask< Storage > , util::flags::FlagSet< NFlags, Storage >
• OverlapList : lar_content::OverlapMatrix< T > , lar_content::OverlapTensor< T >
• OverlapMatrix : lar_content::OverlapTensor< T >
• OverlapResult : lar_content::OverlapMatrix< T > , lar_content::OverlapTensor< T >