onAddError method

  1. @protected
  2. @override
void onAddError(
  1. Object error, [
  2. StackTrace? stackTrace
])

An extension point for sub-classes. Perform any side-effect / state management you need to here, rather than overriding the add method directly.

Implementation

@protected
@override
void onAddError(Object error, [StackTrace? stackTrace]) {
  _hasError = true;
}