ResultListenable<T> class

An interface for subclasses of Listenable that expose a result.

This interface is implemented by ResultNotifier

See also:

Implemented types
Implementers

Constructors

ResultListenable()

Properties

error Object
Get the error of the result
read-only
hasError bool
Check whether result is an error
read-only
hashCode int
The hash code for this object.
read-only, inherited
hasValue bool
Check whether result is a value
read-only
result Result<T>
read-only
runtimeType Type
A representation of the runtime type of the object.
read-only, inherited
stackTrace StackTrace
Get the stackTrace of the result
read-only
value → T
Get the value of the result
read-only

Methods

addListener(VoidCallback listener) → void
Register a closure to be called when the object notifies its listeners.
inherited
asValueListenable() ValueListenable<Result<T>>
Wrap ResultListenable as ValueListenable, so it can be be used with anything supports ValueListenable.
noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed.
inherited
removeListener(VoidCallback listener) → void
Remove a previously registered closure from the list of closures that the object notifies.
inherited
toString() String
A string representation of this object.
inherited

Operators

operator ==(Object other) bool
The equality operator.
inherited