value property Null safety
override
The current value stored in this notifier.
When the value is replaced with something that is not equal to the old value as evaluated by the equality operator ==, this class notifies its listeners.
Implementation
@override
T get value => _value;
Implementation
set value(T newValue) {
if (_value == newValue) {
return;
}
_value = newValue;
notifyListeners();
}