var diposeBag = DisposeBag()

@IBAction func exJust1() {
		Observable.just("Hello World")
				.subscribe { event in
						switch event {
						case .next(let str):
								break
						case .error(let err):
								break
						case .completed:
								break
						}
				}
				.disposed(by: disposeBag)
}

@IBAction func exJust1() {
		Observable.just("Hello World")
				.subscribe(onNext: {
						break
				}, onError: {
						break
				}, onCompleted: {
						break
				}, onDisposed: {
						break
				})
				.disposed(by: disposeBag)
}