CallbackObserver<State> class

Mixed-in types

• Observer<State>
• Callbackable<State>

Constructors

CallbackObserver.new([ObserverCallback<State>? callback])

Properties

callback → ObserverCallback<State>?

The callback to be executed when a new state is notified by the subject.

final

hashCode → int

The hash code for this object.

no setter, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

call(Subject<State> subject, State state) → void

inherited

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

inherited

update(Subject<State> subject, State state) → void

This method is called whenever there is a change in the state of the Subject.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited