state_examples: notes cubit

notes.cubit.dart

class NotesCubit extends Cubit<NotesState> {
  NotesCubit(): super(NotesState.initial());
  
  void addNote() {
    emit(state.copyWith(notes: state.notes.concat(state.input), input: ''));
  }

  void updateInput(String input) => emit(state.copyWith(input: input));
}