- u -

• UnionType : InternalNode< _ChildNodeType, Log2Dim >
• Unique : TypeList< Ts >
• UniquePtr : ArrayPack , ArrayUnpack , AssignExpression , Attribute , BinaryOperator , Block , Cast , CommaOperator , ConditionalStatement , Crement , DeclareLocal , Expression , ExternalVariable , FunctionCall , Keyword , Local , Loop , Node , Statement , StatementList , TernaryOperator , Tree , UnaryOperator , Value< T > , Value< std::string > , ValueBase , Variable , PointLeafLocalData , FunctionGroup , FunctionRegistry , Compiler , CustomData , AttributeHandle< ValueType, CodecType > , AttributeSet , GroupHandle , GroupWriteHandle , StringAttributeHandle , StringAttributeWriteHandle , StringMetaCache , StringMetaInserter
• UnsafeAccessor : Grid< _TreeType >
• UpperT : OpenGridType< BuildT > , OpenGridType< openvdb::PointDataIndex32 > , OpenGridType< openvdb::PointIndex32 >