FutureValue<A> class abstract

Represents the loading, error and data state of an async operation.

Implementers

• FutureData
• FutureError
• FutureLoading

Constructors

FutureValue()

const

FutureValue.data(A data)

const

factory

FutureValue.error(dynamic error, StackTrace stackTrace)

const

factory

FutureValue.loading([A? previousData])

const

factory

Properties

dataOrNull → A?

Attempt to read the data from this FutureValue, otherwise return null if it is in a loading or error state.

no setter

hashCode → int

The hash code for this object.

no setter, inherited

isLoading → bool

Is the data still loading?

no setter

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

combineWith<B>(FutureValue<B> other) → FutureValue<(A, B)>

combineWith2<B, C>(FutureValue<B> one, FutureValue<C> two) → FutureValue<(A, B, C)>

map<B>(B f(A a)) → FutureValue<B>

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

inherited

when<B>({required B data(A a), required B error(dynamic error, StackTrace stackTrace), required B loading(A? previousData)}) → B

whenOrElse<B>({B data(A a)?, B error(dynamic error, StackTrace stackTrace)?, B loading(A? previousData)?, required B orElse()}) → B

Operators

operator ==(Object other) → bool

The equality operator.

inherited