Derived<T> class abstract interface

Represents a derived value that depends on other reactive references.

Inheritance

• Object
• Ref<T>
• Derived

Available extensions

• RefObserverUtils

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 ↔ T

Gets the current value of the reference.

getter/setter pair, inherited

Methods

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

obs(Widget builder(T value), {Key? key}) → SetupWidget

Available on Ref<T>, provided by the RefObserverUtils extension

Creates an Observer widget that rebuilds when this ref's value changes.

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited