@Module
class ApplicationModule {
    @Singleton
    @Provides
    fun provideIoDispatcher(): CoroutineDispatcher = Dispatchers.IO
    @Singleton
    @Provides
    fun provideMainDispatcher(): MainCoroutineDispatcher = Dispatchers.Main

    @Singleton
    @Provides
    fun provideDataBase(context: Context): ToDoRoomDatabase {
        return Room.databaseBuilder(
            context.applicationContext,
            ToDoRoomDatabase::class.java,
            "Task.db"
        ).build()
    }
    @Provides
    fun provideTasksDao(db: ToDoRoomDatabase) = db.tasksDao()
}