StreamNotifier<T> class

Wraps an Stream<T> and provides an value getter.

Lazily subscribes to the stream when the first listener/subscription is added.

Constructors

StreamNotifier(Stream<T> stream)

Wraps the stream.

Properties

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

value → Maybe<T>

Returns Just the current value when present, otherwise returns None.

no setter

Methods

addListener(void onValue(T), {void onDone()?, Function? onError}) → void

Add listeners to this stream.

cancel() → Future<void>

Stop receiving events and notifying listeners.

eagerListen(void onValue(Maybe<T>), {void onDone()?, void onError(Object)?}) → EagerNotifierSubscription<T>

Create an EagerNotifierSubscription for this stream which notifies the current state. It allows accessing the value also.

listen(void onValue(T), {void onDone()?, void onError(Object)?}) → NotifierSubscription<T>

Create an NotifierSubscription for this stream. It allows accessing the value also.

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

removeListener(void onValue(T), {void onDone()?, Function? onError, bool doNotCancel = false}) → FutureOr<void>

Remove listeners from this stream.

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited