BJNObservable

public class BJNObservable<T>

BJNObservable is a generic type that generates a callback when its value is changed. It can be used to listen in on changes to a specific value, but not to update the value itself. BJNObservable is read-only, for write capabilities, see BJNMutableObservable

Monitor any change to the value as:

clientMuteState.onChange {
    print("the client is now \(clientMuteState.value ? "muted" : "unmuted")")
}

  • Represents the value of this BJNObservable. Read only.

    Declaration

    Swift

    public var value: T { get }

  • Register a callback to be executed when the value of this BJNObservable changes.

    Declaration

    Swift

    public func onChange(handler: @escaping () -> Void)

    Parameters

    handler

    Note, this callback takes no parameters.