Functions
The following functions are available globally.
-
Creates a publisher that emits the object each time the object changes.
Precondition
The object must be a managed object which has not been invalidated.Declaration
Swift
@available(OSX 10.15, watchOS 6.0, iOS 13.0, iOSApplicationExtension 13.0, OSXApplicationExtension 10.15, tvOS 13.0, *) public func valuePublisher<T>(_ object: T) -> Publishers.Value<T> where T : Object
Parameters
object
A managed object to observe.
Return Value
A publisher that emits the object each time it changes.
-
Creates a publisher that emits the collection each time the collection changes.
Precondition
The collection must be a managed collection which has not been invalidated.Declaration
Swift
@available(OSX 10.15, watchOS 6.0, iOS 13.0, iOSApplicationExtension 13.0, OSXApplicationExtension 10.15, tvOS 13.0, *) public func valuePublisher<T>(_ collection: T) -> Publishers.Value<T> where T : RealmCollection, T : RealmSubscribable
Parameters
object
A managed collection to observe.
Return Value
A publisher that emits the collection each time it changes.
-
Creates a publisher that emits an object changeset each time the object changes.
Precondition
The object must be a managed object which has not been invalidated.Declaration
Swift
@available(OSX 10.15, watchOS 6.0, iOS 13.0, iOSApplicationExtension 13.0, OSXApplicationExtension 10.15, tvOS 13.0, *) public func changesetPublisher<T>(_ object: T) -> Publishers.ObjectChangeset<T> where T : Object
Parameters
object
A managed object to observe.
Return Value
A publisher that emits an object changeset each time the object changes.
-
Creates a publisher that emits a collection changeset each time the collection changes.
Precondition
The collection must be a managed collection which has not been invalidated.Declaration
Swift
@available(OSX 10.15, watchOS 6.0, iOS 13.0, iOSApplicationExtension 13.0, OSXApplicationExtension 10.15, tvOS 13.0, *) public func changesetPublisher<T>(_ collection: T) -> Publishers.CollectionChangeset<T> where T : RealmCollection
Parameters
object
A managed collection to observe.
Return Value
A publisher that emits a collection changeset each time the collection changes.
-
Returns a Boolean indicating whether the errors are identical.
Declaration
Swift
public func == (lhs: Error, rhs: Error) -> Bool
-
Pattern matching matching for
Realm.Error
, so that the instances can be used with Swift’sdo { ... } catch { ... }
syntax.Declaration
Swift
public func ~= (lhs: Realm.Error, rhs: Error) -> Bool
-
Returns the schema version for a Realm at a given local URL.
Throws
An
NSError
that describes the problem.Declaration
Swift
public func schemaVersionAtURL(_ fileURL: URL, encryptionKey: Data? = nil) throws -> UInt64
Parameters
fileURL
Local URL to a Realm file.
encryptionKey
64-byte key used to encrypt the file, or
nil
if it is unencrypted.