Crate objc2_core_data

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§Bindings to the CoreData framework

See Apple’s docs and the general docs on framework crates for more information.

Structs§

NSAsynchronousFetchRequestNSFetchRequest and NSPersistentStoreRequest
Apple’s documentation
NSAsynchronousFetchResultNSPersistentStoreResult
Apple’s documentation
NSAtomicStoreNSAtomicStore and NSPersistentStore
Apple’s documentation
NSAtomicStoreCacheNodeNSAtomicStoreCacheNode
Apple’s documentation
NSAttributeDescriptionNSAttributeDescription and NSPropertyDescription
Apple’s documentation
NSAttributeTypeNSAttributeDescription
Apple’s documentation
NSBatchDeleteRequestNSBatchDeleteRequest and NSPersistentStoreRequest
Apple’s documentation
NSBatchDeleteRequestResultTypeNSPersistentStoreResult
Apple’s documentation
NSBatchDeleteResultNSPersistentStoreResult
Apple’s documentation
NSBatchInsertRequestNSBatchInsertRequest and NSPersistentStoreRequest
Apple’s documentation
NSBatchInsertRequestResultTypeNSPersistentStoreResult
Apple’s documentation
NSBatchInsertResultNSPersistentStoreResult
Apple’s documentation
NSBatchUpdateRequestNSBatchUpdateRequest and NSPersistentStoreRequest
Apple’s documentation
NSBatchUpdateRequestResultTypeNSPersistentStoreResult
Apple’s documentation
NSBatchUpdateResultNSPersistentStoreResult
Apple’s documentation
NSCompositeAttributeDescriptionNSAttributeDescription and NSCompositeAttributeDescription and NSPropertyDescription
Apple’s documentation
NSConstraintConflictNSMergePolicy
Apple’s documentation
NSCoreDataCoreSpotlightDelegateNSCoreDataCoreSpotlightDelegate
Apple’s documentation
NSCustomMigrationStageNSCustomMigrationStage and NSMigrationStage
Apple’s documentation
NSDeleteRuleNSRelationshipDescription
Apple’s documentation
NSDerivedAttributeDescriptionNSAttributeDescription and NSDerivedAttributeDescription and NSPropertyDescription
Apple’s documentation
NSEntityDescriptionNSEntityDescription
Apple’s documentation
NSEntityMappingNSEntityMapping
Apple’s documentation
NSEntityMappingTypeNSEntityMapping
Apple’s documentation
NSEntityMigrationPolicyNSEntityMigrationPolicy
Apple’s documentation
NSExpressionDescriptionNSExpressionDescription and NSPropertyDescription
Apple’s documentation
NSFetchIndexDescriptionNSFetchIndexDescription
Apple’s documentation
NSFetchIndexElementDescriptionNSFetchIndexElementDescription
Apple’s documentation
NSFetchIndexElementTypeNSFetchIndexElementDescription
Apple’s documentation
NSFetchRequestNSFetchRequest and NSPersistentStoreRequest
Apple’s documentation
NSFetchRequestExpressionNSFetchRequestExpression
Apple’s documentation
NSFetchRequestResultTypeNSFetchRequest
Apple’s documentation
NSFetchedPropertyDescriptionNSFetchedPropertyDescription and NSPropertyDescription
Apple’s documentation
NSFetchedResultsChangeTypeNSFetchedResultsController
Apple’s documentation
NSFetchedResultsControllerNSFetchedResultsController
Apple’s documentation
NSIncrementalStoreNSIncrementalStore and NSPersistentStore
Apple’s documentation
NSIncrementalStoreNodeNSIncrementalStoreNode
Apple’s documentation
NSLightweightMigrationStageNSLightweightMigrationStage and NSMigrationStage
Apple’s documentation
NSManagedObjectNSManagedObject
Apple’s documentation
NSManagedObjectContextNSManagedObjectContext
Apple’s documentation
NSManagedObjectContextConcurrencyTypeNSManagedObjectContext
Apple’s documentation
NSManagedObjectIDNSManagedObjectID
Apple’s documentation
NSManagedObjectModelNSManagedObjectModel
Apple’s documentation
NSManagedObjectModelReferenceNSManagedObjectModelReference
Apple’s documentation
NSMappingModelNSMappingModel
Apple’s documentation
NSMergeConflictNSMergePolicy
Apple’s documentation
NSMergePolicyNSMergePolicy
Apple’s documentation
NSMergePolicyTypeNSMergePolicy
Apple’s documentation
NSMigrationManagerNSMigrationManager
Apple’s documentation
NSMigrationStageNSMigrationStage
Apple’s documentation
NSPersistentCloudKitContainerNSPersistentCloudKitContainer and NSPersistentContainer
Apple’s documentation
NSPersistentCloudKitContainerEventNSPersistentCloudKitContainerEvent
Apple’s documentation
NSPersistentCloudKitContainerEventRequestNSPersistentCloudKitContainerEventRequest and NSPersistentStoreRequest
Apple’s documentation
NSPersistentCloudKitContainerEventResultNSPersistentStoreResult
Apple’s documentation
NSPersistentCloudKitContainerEventResultTypeNSPersistentStoreResult
Apple’s documentation
NSPersistentCloudKitContainerEventTypeNSPersistentCloudKitContainerEvent
Apple’s documentation
NSPersistentCloudKitContainerOptionsNSPersistentCloudKitContainerOptions
NSPersistentCloudKitContainerOptions provides customization of how NSPersistentCloudKitContainer aligns a given instance of NSPersistentStoreDescription with a CloudKit database.
NSPersistentCloudKitContainerSchemaInitializationOptionsNSPersistentCloudKitContainer
Apple’s documentation
NSPersistentContainerNSPersistentContainer
Apple’s documentation
NSPersistentHistoryChangeNSPersistentHistoryChange
Apple’s documentation
NSPersistentHistoryChangeRequestNSPersistentHistoryChangeRequest and NSPersistentStoreRequest
Apple’s documentation
NSPersistentHistoryChangeTypeNSPersistentHistoryChange
Apple’s documentation
NSPersistentHistoryResultNSPersistentStoreResult
Apple’s documentation
NSPersistentHistoryResultTypeNSPersistentStoreResult
Apple’s documentation
NSPersistentHistoryTokenNSPersistentHistoryToken
Apple’s documentation
NSPersistentHistoryTransactionNSPersistentHistoryTransaction
Apple’s documentation
NSPersistentStoreNSPersistentStore
Apple’s documentation
NSPersistentStoreAsynchronousResultNSPersistentStoreResult
Apple’s documentation
NSPersistentStoreCoordinatorNSPersistentStoreCoordinator
Apple’s documentation
NSPersistentStoreDescriptionNSPersistentStoreDescription
Apple’s documentation
NSPersistentStoreRequestNSPersistentStoreRequest
Apple’s documentation
NSPersistentStoreRequestTypeNSPersistentStoreRequest
Apple’s documentation
NSPersistentStoreResultNSPersistentStoreResult
Apple’s documentation
NSPersistentStoreUbiquitousTransitionTypeDeprecatedNSPersistentStoreCoordinator
Apple’s documentation
NSPropertyDescriptionNSPropertyDescription
Apple’s documentation
NSPropertyMappingNSPropertyMapping
Apple’s documentation
NSQueryGenerationTokenNSQueryGenerationToken
Apple’s documentation
NSRelationshipDescriptionNSPropertyDescription and NSRelationshipDescription
Apple’s documentation
NSSaveChangesRequestNSPersistentStoreRequest and NSSaveChangesRequest
Apple’s documentation
NSSnapshotEventTypeNSManagedObject
Apple’s documentation
NSStagedMigrationManagerNSStagedMigrationManager
Apple’s documentation

Constants§

NSCoreDataErrorCoreDataErrors
Apple’s documentation
NSCoreDataVersionNumber10_4CoreDataDefines
Apple’s documentation
NSCoreDataVersionNumber10_5CoreDataDefines
Apple’s documentation
NSCoreDataVersionNumber10_6CoreDataDefines
Apple’s documentation
NSCoreDataVersionNumber10_7CoreDataDefines
Apple’s documentation
NSCoreDataVersionNumber10_8CoreDataDefines
Apple’s documentation
NSCoreDataVersionNumber10_9CoreDataDefines
Apple’s documentation
NSCoreDataVersionNumber10_4_3CoreDataDefines
Apple’s documentation
NSCoreDataVersionNumber10_5_3CoreDataDefines
Apple’s documentation
NSCoreDataVersionNumber10_6_2CoreDataDefines
Apple’s documentation
NSCoreDataVersionNumber10_6_3CoreDataDefines
Apple’s documentation
NSCoreDataVersionNumber10_7_2CoreDataDefines
Apple’s documentation
NSCoreDataVersionNumber10_7_3CoreDataDefines
Apple’s documentation
NSCoreDataVersionNumber10_7_4CoreDataDefines
Apple’s documentation
NSCoreDataVersionNumber10_8_2CoreDataDefines
Apple’s documentation
NSCoreDataVersionNumber10_9_2CoreDataDefines
Apple’s documentation
NSCoreDataVersionNumber10_9_3CoreDataDefines
Apple’s documentation
NSCoreDataVersionNumber10_10CoreDataDefines
Apple’s documentation
NSCoreDataVersionNumber10_11CoreDataDefines
Apple’s documentation
NSCoreDataVersionNumber10_10_2CoreDataDefines
Apple’s documentation
NSCoreDataVersionNumber10_10_3CoreDataDefines
Apple’s documentation
NSCoreDataVersionNumber10_11_3CoreDataDefines
Apple’s documentation
NSCoreDataVersionNumber_iPhoneOS_3_0CoreDataDefines
Apple’s documentation
NSCoreDataVersionNumber_iPhoneOS_3_1CoreDataDefines
Apple’s documentation
NSCoreDataVersionNumber_iPhoneOS_3_2CoreDataDefines
Apple’s documentation
NSCoreDataVersionNumber_iPhoneOS_4_0CoreDataDefines
Apple’s documentation
NSCoreDataVersionNumber_iPhoneOS_4_1CoreDataDefines
Apple’s documentation
NSCoreDataVersionNumber_iPhoneOS_4_2CoreDataDefines
Apple’s documentation
NSCoreDataVersionNumber_iPhoneOS_4_3CoreDataDefines
Apple’s documentation
NSCoreDataVersionNumber_iPhoneOS_5_0CoreDataDefines
Apple’s documentation
NSCoreDataVersionNumber_iPhoneOS_5_1CoreDataDefines
Apple’s documentation
NSCoreDataVersionNumber_iPhoneOS_6_0CoreDataDefines
Apple’s documentation
NSCoreDataVersionNumber_iPhoneOS_6_1CoreDataDefines
Apple’s documentation
NSCoreDataVersionNumber_iPhoneOS_7_0CoreDataDefines
Apple’s documentation
NSCoreDataVersionNumber_iPhoneOS_7_1CoreDataDefines
Apple’s documentation
NSCoreDataVersionNumber_iPhoneOS_8_0CoreDataDefines
Apple’s documentation
NSCoreDataVersionNumber_iPhoneOS_8_3CoreDataDefines
Apple’s documentation
NSCoreDataVersionNumber_iPhoneOS_9_0CoreDataDefines
Apple’s documentation
NSCoreDataVersionNumber_iPhoneOS_9_2CoreDataDefines
Apple’s documentation
NSCoreDataVersionNumber_iPhoneOS_9_3CoreDataDefines
Apple’s documentation
NSEntityMigrationPolicyErrorCoreDataErrors
Apple’s documentation
NSExternalRecordImportErrorCoreDataErrors
Apple’s documentation
NSInferredMappingModelErrorCoreDataErrors
Apple’s documentation
NSManagedObjectConstraintMergeErrorCoreDataErrors
Apple’s documentation
NSManagedObjectConstraintValidationErrorCoreDataErrors
Apple’s documentation
NSManagedObjectContextLockingErrorCoreDataErrors
Apple’s documentation
NSManagedObjectExternalRelationshipErrorCoreDataErrors
Apple’s documentation
NSManagedObjectMergeErrorCoreDataErrors
Apple’s documentation
NSManagedObjectModelReferenceNotFoundErrorCoreDataErrors
Apple’s documentation
NSManagedObjectReferentialIntegrityErrorCoreDataErrors
Apple’s documentation
NSManagedObjectValidationErrorCoreDataErrors
Apple’s documentation
NSMigrationCancelledErrorCoreDataErrors
Apple’s documentation
NSMigrationConstraintViolationErrorCoreDataErrors
Apple’s documentation
NSMigrationErrorCoreDataErrors
Apple’s documentation
NSMigrationManagerDestinationStoreErrorCoreDataErrors
Apple’s documentation
NSMigrationManagerSourceStoreErrorCoreDataErrors
Apple’s documentation
NSMigrationMissingMappingModelErrorCoreDataErrors
Apple’s documentation
NSMigrationMissingSourceModelErrorCoreDataErrors
Apple’s documentation
NSPersistentHistoryTokenExpiredErrorCoreDataErrors
Apple’s documentation
NSPersistentStoreCoordinatorLockingErrorCoreDataErrors
Apple’s documentation
NSPersistentStoreIncompatibleSchemaErrorCoreDataErrors
Apple’s documentation
NSPersistentStoreIncompatibleVersionHashErrorCoreDataErrors
Apple’s documentation
NSPersistentStoreIncompleteSaveErrorCoreDataErrors
Apple’s documentation
NSPersistentStoreInvalidTypeErrorCoreDataErrors
Apple’s documentation
NSPersistentStoreOpenErrorCoreDataErrors
Apple’s documentation
NSPersistentStoreOperationErrorCoreDataErrors
Apple’s documentation
NSPersistentStoreSaveConflictsErrorCoreDataErrors
Apple’s documentation
NSPersistentStoreSaveErrorCoreDataErrors
Apple’s documentation
NSPersistentStoreTimeoutErrorCoreDataErrors
Apple’s documentation
NSPersistentStoreTypeMismatchErrorCoreDataErrors
Apple’s documentation
NSPersistentStoreUnsupportedRequestTypeErrorCoreDataErrors
Apple’s documentation
NSSQLiteErrorCoreDataErrors
Apple’s documentation
NSStagedMigrationBackwardMigrationErrorCoreDataErrors
Apple’s documentation
NSStagedMigrationFrameworkVersionMismatchErrorCoreDataErrors
Apple’s documentation
NSValidationDateTooLateErrorCoreDataErrors
Apple’s documentation
NSValidationDateTooSoonErrorCoreDataErrors
Apple’s documentation
NSValidationInvalidDateErrorCoreDataErrors
Apple’s documentation
NSValidationInvalidURIErrorCoreDataErrors
Apple’s documentation
NSValidationMissingMandatoryPropertyErrorCoreDataErrors
Apple’s documentation
NSValidationMultipleErrorsErrorCoreDataErrors
Apple’s documentation
NSValidationNumberTooLargeErrorCoreDataErrors
Apple’s documentation
NSValidationNumberTooSmallErrorCoreDataErrors
Apple’s documentation
NSValidationRelationshipDeniedDeleteErrorCoreDataErrors
Apple’s documentation
NSValidationRelationshipExceedsMaximumCountErrorCoreDataErrors
Apple’s documentation
NSValidationRelationshipLacksMinimumCountErrorCoreDataErrors
Apple’s documentation
NSValidationStringPatternMatchingErrorCoreDataErrors
Apple’s documentation
NSValidationStringTooLongErrorCoreDataErrors
Apple’s documentation
NSValidationStringTooShortErrorCoreDataErrors
Apple’s documentation

Statics§

NSAddedPersistentStoresKeyNSPersistentStoreCoordinator
Apple’s documentation
NSAffectedObjectsErrorKeyCoreDataErrors
Apple’s documentation
NSAffectedStoresErrorKeyCoreDataErrors
Apple’s documentation
NSBinaryExternalRecordTypeNSPersistentStoreCoordinator
Apple’s documentation
NSBinaryStoreInsecureDecodingCompatibilityOptionNSPersistentStoreCoordinator
Apple’s documentation
NSBinaryStoreSecureDecodingClassesNSPersistentStoreCoordinator
Apple’s documentation
NSBinaryStoreTypeNSPersistentStoreCoordinator
Apple’s documentation
NSCoreDataCoreSpotlightDelegateIndexDidUpdateNotificationNSCoreDataCoreSpotlightDelegate
Apple’s documentation
NSCoreDataCoreSpotlightExporterNSPersistentStoreCoordinator
Apple’s documentation
NSCoreDataVersionNumberCoreDataDefines
Apple’s documentation
NSDeletedObjectIDsKeyNSManagedObjectContext
Apple’s documentation
NSDeletedObjectsKeyNSManagedObjectContext
Apple’s documentation
NSDetailedErrorsKeyCoreDataErrors
Apple’s documentation
NSEntityNameInPathKeyNSPersistentStoreCoordinator
Apple’s documentation
NSExternalRecordExtensionOptionNSPersistentStoreCoordinator
Apple’s documentation
NSExternalRecordsDirectoryOptionNSPersistentStoreCoordinator
Apple’s documentation
NSExternalRecordsFileFormatOptionNSPersistentStoreCoordinator
Apple’s documentation
NSFetchRequestExpressionTypeNSFetchRequestExpression
Apple’s documentation
NSIgnorePersistentStoreVersioningOptionNSPersistentStoreCoordinator
Apple’s documentation
NSInMemoryStoreTypeNSPersistentStoreCoordinator
Apple’s documentation
NSInferMappingModelAutomaticallyOptionNSPersistentStoreCoordinator
Apple’s documentation
NSInsertedObjectIDsKeyNSManagedObjectContext
Apple’s documentation
NSInsertedObjectsKeyNSManagedObjectContext
Apple’s documentation
NSInvalidatedAllObjectsKeyNSManagedObjectContext
Apple’s documentation
NSInvalidatedObjectIDsKeyNSManagedObjectContext
Apple’s documentation
NSInvalidatedObjectsKeyNSManagedObjectContext
Apple’s documentation
NSManagedObjectContextDidMergeChangesObjectIDsNotificationNSManagedObjectContext
Apple’s documentation
NSManagedObjectContextDidSaveNotificationNSManagedObjectContext
Apple’s documentation
NSManagedObjectContextDidSaveObjectIDsNotificationNSManagedObjectContext
Apple’s documentation
NSManagedObjectContextObjectsDidChangeNotificationNSManagedObjectContext
Apple’s documentation
NSManagedObjectContextQueryGenerationKeyNSManagedObjectContext
Apple’s documentation
NSManagedObjectContextWillSaveNotificationNSManagedObjectContext
Apple’s documentation
NSMigratePersistentStoresAutomaticallyOptionNSPersistentStoreCoordinator
Apple’s documentation
NSMigrationDestinationObjectKeyNSEntityMigrationPolicy
Apple’s documentation
NSMigrationEntityMappingKeyNSEntityMigrationPolicy
Apple’s documentation
NSMigrationEntityPolicyKeyNSEntityMigrationPolicy
Apple’s documentation
NSMigrationManagerKeyNSEntityMigrationPolicy
Apple’s documentation
NSMigrationPropertyMappingKeyNSEntityMigrationPolicy
Apple’s documentation
NSMigrationSourceObjectKeyNSEntityMigrationPolicy
Apple’s documentation
NSModelPathKeyNSPersistentStoreCoordinator
Apple’s documentation
NSObjectURIKeyNSPersistentStoreCoordinator
Apple’s documentation
NSPersistentCloudKitContainerEventChangedNotificationNSPersistentCloudKitContainerEvent
Apple’s documentation
NSPersistentCloudKitContainerEventUserInfoKeyNSPersistentCloudKitContainerEvent
Apple’s documentation
NSPersistentHistoryTokenKeyNSPersistentStoreCoordinator
Apple’s documentation
NSPersistentHistoryTrackingKeyNSPersistentStoreCoordinator
Apple’s documentation
NSPersistentStoreConnectionPoolMaxSizeKeyNSPersistentStoreCoordinator
Apple’s documentation
NSPersistentStoreCoordinatorStoresDidChangeNotificationNSPersistentStoreCoordinator
Apple’s documentation
NSPersistentStoreCoordinatorStoresWillChangeNotificationNSPersistentStoreCoordinator
Apple’s documentation
NSPersistentStoreCoordinatorWillRemoveStoreNotificationNSPersistentStoreCoordinator
Apple’s documentation
NSPersistentStoreDeferredLightweightMigrationOptionKeyNSPersistentStoreCoordinator
Apple’s documentation
NSPersistentStoreDidImportUbiquitousContentChangesNotificationNSPersistentStoreCoordinator
Apple’s documentation
NSPersistentStoreFileProtectionKeyNSPersistentStoreCoordinator
Apple’s documentation
NSPersistentStoreForceDestroyOptionNSPersistentStoreCoordinator
Apple’s documentation
NSPersistentStoreModelVersionChecksumKeyNSPersistentStoreCoordinator
Apple’s documentation
NSPersistentStoreOSCompatibilityNSPersistentStoreCoordinator
Apple’s documentation
NSPersistentStoreRebuildFromUbiquitousContentOptionNSPersistentStoreCoordinator
Apple’s documentation
NSPersistentStoreRemoteChangeNotificationNSPersistentStoreCoordinator
Apple’s documentation
NSPersistentStoreRemoteChangeNotificationPostOptionKeyNSPersistentStoreCoordinator
Apple’s documentation
NSPersistentStoreRemoveUbiquitousMetadataOptionNSPersistentStoreCoordinator
Apple’s documentation
NSPersistentStoreSaveConflictsErrorKeyCoreDataErrors
Apple’s documentation
NSPersistentStoreStagedMigrationManagerOptionKeyNSPersistentStoreCoordinator
Apple’s documentation
NSPersistentStoreTimeoutOptionNSPersistentStoreCoordinator
Apple’s documentation
NSPersistentStoreURLKeyNSPersistentStoreCoordinator
Apple’s documentation
NSPersistentStoreUbiquitousContainerIdentifierKeyNSPersistentStoreCoordinator
Apple’s documentation
NSPersistentStoreUbiquitousContentNameKeyNSPersistentStoreCoordinator
Apple’s documentation
NSPersistentStoreUbiquitousContentURLKeyNSPersistentStoreCoordinator
Apple’s documentation
NSPersistentStoreUbiquitousPeerTokenOptionNSPersistentStoreCoordinator
Apple’s documentation
NSPersistentStoreUbiquitousTransitionTypeKeyNSPersistentStoreCoordinator
Apple’s documentation
NSReadOnlyPersistentStoreOptionNSPersistentStoreCoordinator
Apple’s documentation
NSRefreshedObjectIDsKeyNSManagedObjectContext
Apple’s documentation
NSRefreshedObjectsKeyNSManagedObjectContext
Apple’s documentation
NSRemovedPersistentStoresKeyNSPersistentStoreCoordinator
Apple’s documentation
NSSQLiteAnalyzeOptionNSPersistentStoreCoordinator
Apple’s documentation
NSSQLiteErrorDomainCoreDataErrors
Apple’s documentation
NSSQLiteManualVacuumOptionNSPersistentStoreCoordinator
Apple’s documentation
NSSQLitePragmasOptionNSPersistentStoreCoordinator
Apple’s documentation
NSSQLiteStoreTypeNSPersistentStoreCoordinator
Apple’s documentation
NSStoreModelVersionHashesKeyNSPersistentStoreCoordinator
Apple’s documentation
NSStoreModelVersionIdentifiersKeyNSPersistentStoreCoordinator
Apple’s documentation
NSStorePathKeyNSPersistentStoreCoordinator
Apple’s documentation
NSStoreTypeKeyNSPersistentStoreCoordinator
Apple’s documentation
NSStoreUUIDInPathKeyNSPersistentStoreCoordinator
Apple’s documentation
NSStoreUUIDKeyNSPersistentStoreCoordinator
Apple’s documentation
NSUUIDChangedPersistentStoresKeyNSPersistentStoreCoordinator
Apple’s documentation
NSUpdatedObjectIDsKeyNSManagedObjectContext
Apple’s documentation
NSUpdatedObjectsKeyNSManagedObjectContext
Apple’s documentation
NSValidateXMLStoreOptionNSPersistentStoreCoordinator
Apple’s documentation
NSValidationKeyErrorKeyCoreDataErrors
Apple’s documentation
NSValidationObjectErrorKeyCoreDataErrors
Apple’s documentation
NSValidationPredicateErrorKeyCoreDataErrors
Apple’s documentation
NSValidationValueErrorKeyCoreDataErrors
Apple’s documentation
NSXMLExternalRecordTypeNSPersistentStoreCoordinator
Apple’s documentation
NSXMLStoreTypeNSPersistentStoreCoordinator
Apple’s documentation

Traits§

NSFetchRequestResultNSFetchRequest
Apple’s documentation
NSFetchedResultsControllerDelegateNSFetchedResultsController
Apple’s documentation
NSFetchedResultsSectionInfoNSFetchedResultsController
Apple’s documentation

Type Aliases§

NSPersistentStoreAsynchronousFetchResultCompletionBlockNSFetchRequest and NSPersistentStoreResult and block2
Apple’s documentation