add method

void add(
  1. dynamic value
)

Adds a value to the state. Throws an error if the state is not a List.

Implementation

void add(dynamic value) {
  if (_value is List) {
    (_value as List).add(value);
  } else {
    throw ArgumentError(
        'Ease of type $T cannot add values of type ${value.runtimeType}');
  }
  _listener?.call();
}