value property
AnswerValue?
get
value
The value, or null when empty.
Implementation
AnswerValue? get value => _value;
set
value
(AnswerValue? value)
Sets the value without notifying listeners. Only leaves can hold a value.
Implementation
set value(AnswerValue? value) {
if (!isLeaf) {
throw StateError("Can't set data value for node that has children!");
}
_value = value;
}