NSEnumerationOptions Options for block enumeration operations. Declarationstruct NSEnumerationOptions TopicsConstantsconcurrentreverseInitializersinit(rawValue:) RelationshipsConforms ToBitwiseCopyableEquatableExpressibleByArrayLiteralOptionSetRawRepresentableSendableSendableMetatypeSetAlgebra See AlsoIterationNSEnumeratorNSFastEnumerationNSFastEnumerationIteratorNSIndexSetIteratorNSSortOptions