beans()

ApplicationContextAware

@SpringBootApplication
class KotlindemoApplication {

    @Bean
    fun controller(repository: WelcomeRepository) = WelcomeController(WelcomeService(repository))
}

fun main(args: Array<String>) {
    SpringApplication.run(KotlindemoApplication::class.java, *args)
}

@Autowired fun register(ctx: GenericApplicationContext) { }

(GenericApplicationContext)  -> Unit