buildwhen default implementation bloc code example
Example: bloc lib flutter
class CounterCubit extends Cubit {
CounterCubit() : super(0);
void increment() => emit(state + 1);
void decrement() => emit(state - 1);
}
class CounterCubit extends Cubit {
CounterCubit() : super(0);
void increment() => emit(state + 1);
void decrement() => emit(state - 1);
}