| all(Func1<? super T, Boolean>) | forall(T => Boolean) | 
    
      | amb(Observable<? extends T>, Observable<? extends T>)
 amb(...)
 amb(...)
 amb(...)
 amb(...)
 amb(...)
 amb(...)
 amb(...) | 无必要,因为我们可以使用 o1 amb o2或者amb(List(o1, o2, o3, ...)代替。 | 
    
      | amb(Iterable<? extends Observable<? extends T>>) | amb(Observable[T]*) | 
    
      | ambWith(Observable<? extends T>) | amb(Observable[U]) | 
    
      | asObservable() | 在 Scala 中被认为是无必要的。 | 
    
      | buffer(Int) | tumblingBuffer(Int) | 
    
      | buffer(Long, TimeUnit) | tumblingBuffer(Duration) | 
    
      | buffer(Func0<? extends Observable<? extends TClosing>>)
 buffer(Observable<B>) | tumblingBuffer(=> Observable[Any]) | 
    
      | buffer(Long, Long, TimeUnit, Scheduler) | slidingBuffer(Duration, Duration, Scheduler) | 
    
      | buffer(Int, Int) | slidingBuffer(Int, Int) | 
    
      | buffer(Long, TimeUnit, Scheduler) | tumblingBuffer(Duration, Scheduler) | 
    
      | buffer(...) | slidingBuffer(Observable[Opening])(Opening => Observable[Any]) | 
    
      | buffer(Long, TimeUnit, Int, Scheduler) | tumblingBuffer(Duration, Int, Scheduler) | 
    
      | buffer(Observable<B>, Int) | tumblingBuffer(Observable[Any], Int) | 
    
      | buffer(Long, Long, TimeUnit) | slidingBuffer(Duration, Duration) | 
    
      | buffer(Long, TimeUnit, Int) | tumblingBuffer(Duration, Int) | 
    
      | cache(Int) | cache(Int) | 
    
      | cache() | cache | 
    
      | cast(Class<R>) | RxJava 需要这个,因为 rx.Observable是不变的。RxScala 中的Observable是协变的,不需要这个操作符。 | 
    
      | collect(Func0<R>, Action2<R, ? super T>) | TODO: 参见 https://github.com/ReactiveX/RxScala/issues/63 | 
    
      | combineLatest(...) | combineLatest(Observable[U]) | 
    
      | combineLatest(...)
 combineLatest(...)
 combineLatest(...)
 combineLatest(...)
 combineLatest(...)
 combineLatest(...)
 combineLatest(...) | 如果 C# 不需要,Scala 也不需要它 ;-) | 
    
      | combineLatest(...) | combineLatest(Seq[Observable[T]])(Seq[T] => R) | 
    
      | compose(Transformer<? super T, ? extends R>) | 使用扩展方法代替。 | 
    
      | concat(Observable<? extends Observable<? extends T>>) | concat(<:<[Observable[T], Observable[Observable[U]]]) | 
    
      | concat(Observable<? extends T>, Observable<? extends T>)
 concat(...)
 concat(...)
 concat(...)
 concat(...)
 concat(...)
 concat(...)
 concat(...) | 无必要,因为我们可以使用 ++或者Observable(o1, o2, ...).concat代替。 | 
    
      | concatEager(Iterable<? extends Observable<? extends T>>, Int) | 使用 iter.toObservable.concatEager(Int) | 
    
      | concatEager(Observable<? extends Observable<? extends T>>, Int) | concatEager(Int)(<:<[Observable[T], Observable[Observable[U]]]) | 
    
      | concatEager(Observable<? extends T>, Observable<? extends T>)
 concatEager(...)
 concatEager(...)
 concatEager(...)
 concatEager(...)
 concatEager(...)
 concatEager(...)
 concatEager(...) | 无必要,因为我们可以使用 concatEager或者Observable(o1, o2, ...).concatEager代替。 | 
    
      | concatEager(Iterable<? extends Observable<? extends T>>) | 使用 iter.toObservable.concatEager | 
    
      | concatEager(Observable<? extends Observable<? extends T>>) | concatEager(<:<[Observable[T], Observable[Observable[U]]]) | 
    
      | concatMap(Func1<? super T, ? extends Observable<? extends R>>) | concatMap(T => Observable[R]) | 
    
      | concatMapEager(...) | concatMapEager(Int, T => Observable[R]) | 
    
      | concatMapEager(...) | concatMapEager(T => Observable[R]) | 
    
      | concatWith(Observable<? extends T>) | 使用 o1 ++ o2 | 
    
      | contains(Any) | contains(U) | 
    
      | count() | length | 
    
      | countLong() | countLong | 
    
      | create(OnSubscribe<T>) | apply(Subscriber[T] => Unit) | 
    
      | debounce(Long, TimeUnit) | debounce(Duration) | 
    
      | debounce(Func1<? super T, ? extends Observable<U>>) | debounce(T => Observable[Any]) | 
    
      | debounce(Long, TimeUnit, Scheduler) | debounce(Duration, Scheduler) | 
    
      | defaultIfEmpty(T) | orElse(=> U) | 
    
      | defer(Func0<Observable<T>>) | defer(=> Observable[T]) | 
    
      | delay(Long, TimeUnit) | delay(Duration) | 
    
      | delay(...) | delay(() => Observable[Any], T => Observable[Any]) | 
    
      | delay(Long, TimeUnit, Scheduler) | delay(Duration, Scheduler) | 
    
      | delay(Func1<? super T, ? extends Observable<U>>) | delay(T => Observable[Any]) | 
    
      | delaySubscription(Long, TimeUnit, Scheduler) | delaySubscription(Duration, Scheduler) | 
    
      | delaySubscription(Func0<? extends Observable<U>>) | delaySubscription(() => Observable[Any]) | 
    
      | delaySubscription(Long, TimeUnit) | delaySubscription(Duration) | 
    
      | dematerialize() | dematerialize(<:<[Observable[T], Observable[Notification[U]]]) | 
    
      | distinct(Func1<? super T, ? extends U>) | distinct(T => U) | 
    
      | distinct() | distinct | 
    
      | distinctUntilChanged() | distinctUntilChanged | 
    
      | distinctUntilChanged(Func1<? super T, ? extends U>) | distinctUntilChanged(T => U) | 
    
      | doOnCompleted(Action0) | doOnCompleted(=> Unit) | 
    
      | doOnEach(Action1<Notification<? super T>>) | 使用 doOnEach(T => Unit, Throwable => Unit, () => Unit) | 
    
      | doOnEach(Observer<? super T>) | doOnEach(Observer[T]) | 
    
      | doOnError(Action1<Throwable>) | doOnError(Throwable => Unit) | 
    
      | doOnNext(Action1<? super T>) | doOnNext(T => Unit) | 
    
      | doOnRequest(Action1<Long>) | doOnRequest(Long => Unit) | 
    
      | doOnSubscribe(Action0) | doOnSubscribe(=> Unit) | 
    
      | doOnTerminate(Action0) | doOnTerminate(=> Unit) | 
    
      | doOnUnsubscribe(Action0) | doOnUnsubscribe(=> Unit) | 
    
      | elementAt(Int) | elementAt(Int) | 
    
      | elementAtOrDefault(Int, T) | elementAtOrDefault(Int, U) | 
    
      | empty() | empty | 
    
      | error(Throwable) | error(Throwable) | 
    
      | exists(Func1<? super T, Boolean>) | exists(T => Boolean) | 
    
      | extend(Func1<? super OnSubscribe<T>, ? extends R>) | 使用 Scala 隐式特性扩展 Observable | 
    
      | filter(Func1<? super T, Boolean>) | filter(T => Boolean) | 
    
      | finallyDo(Action0) | finallyDo(=> Unit) | 
    
      | first() | first | 
    
      | first(Func1<? super T, Boolean>) | 使用 .filter(condition).first | 
    
      | firstOrDefault(T, Func1<? super T, Boolean>) | 使用 .filter(condition).firstOrElse(default) | 
    
      | firstOrDefault(T) | firstOrElse(=> U) | 
    
      | flatMap(...) | flatMap(T => Observable[R], Throwable => Observable[R], () => Observable[R]) | 
    
      | flatMap(...) | flatMap(Int, T => Observable[R], Throwable => Observable[R], () => Observable[R]) | 
    
      | flatMap(...) | flatMap(Int, T => Observable[R]) | 
    
      | flatMap(...) | flatMapWith(Int, T => Observable[U])((T, U) => R) | 
    
      | flatMap(...) | flatMapWith(T => Observable[U])((T, U) => R) | 
    
      | flatMap(Func1<? super T, ? extends Observable<? extends R>>) | flatMap(T => Observable[R]) | 
    
      | flatMapIterable(...) | flatMapIterable(T => Iterable[R]) | 
    
      | flatMapIterable(...) | flatMapIterableWith(T => Iterable[U])((T, U) => R) | 
    
      | forEach(Action1<? super T>) | foreach(T => Unit) | 
    
      | forEach(Action1<? super T>, Action1<Throwable>, Action0) | foreach(T => Unit, Throwable => Unit, () => Unit) | 
    
      | forEach(Action1<? super T>, Action1<Throwable>) | foreach(T => Unit, Throwable => Unit) | 
    
      | from(Future<? extends T>)
 from(Future<? extends T>, Long, TimeUnit)
 from(Future<? extends T>, Scheduler) | TODO: 确定 Scala Futures 应该如何与 Observables 相关。Future 和 Observable 应该有共同的基接口吗?Futures 也应该有取消订阅方法吗? | 
    
      | from(T[])
 from(Iterable<? extends T>) | from(Iterable[T]) | 
    
      | fromCallable(Callable<? extends T>) | 使用 Observable.defer(Observable.just(expensiveComputation)) | 
    
      | groupBy(Func1<? super T, ? extends K>) | groupBy(T => K) | 
    
      | groupBy(...) | groupBy(T => K, T => V) | 
    
      | groupJoin(...) | groupJoin(Observable[S])(T => Observable[Any], S => Observable[Any], (T, Observable[S]) => R) | 
    
      | ignoreElements() | 使用 filter(_ => false) | 
    
      | interval(Long, TimeUnit) | interval(Duration) | 
    
      | interval(Long, Long, TimeUnit) | interval(Duration, Duration) | 
    
      | interval(Long, Long, TimeUnit, Scheduler) | interval(Duration, Duration, Scheduler) | 
    
      | interval(Long, TimeUnit, Scheduler) | interval(Duration, Scheduler) | 
    
      | isEmpty() | isEmpty | 
    
      | join(...) | join(Observable[S])(T => Observable[Any], S => Observable[Any], (T, S) => R) | 
    
      | just(T)
 just(T, T)
 just(T, T, T)
 just(T, T, T, T)
 just(T, T, T, T, T)
 just(T, T, T, T, T, T)
 just(T, T, T, T, T, T, T)
 just(T, T, T, T, T, T, T, T)
 just(T, T, T, T, T, T, T, T, T)
 just(T, T, T, T, T, T, T, T, T, T) | 使用 just(T*) | 
    
      | last() | last | 
    
      | last(Func1<? super T, Boolean>) | 使用 filter(predicate).last | 
    
      | lastOrDefault(T, Func1<? super T, Boolean>) | 使用 filter(predicate).lastOrElse(default) | 
    
      | lastOrDefault(T) | lastOrElse(=> U) | 
    
      | lift(Operator<? extends R, ? super T>) | lift(Subscriber[R] => Subscriber[T]) | 
    
      | limit(Int) | take(Int) | 
    
      | map(Func1<? super T, ? extends R>) | map(T => R) | 
    
      | materialize() | materialize | 
    
      | merge(Array<Observable<? extends T>>, Int) | 使用 Observable.from(array).flatten(n) | 
    
      | merge(Array<Observable<? extends T>>) | 使用 Observable.from(array).flatten | 
    
      | merge(...)
 merge(...)
 merge(...)
 merge(...)
 merge(...)
 merge(...)
 merge(...) | 无必要,因为我们可以使用 Observable(o1, o2, ...).flatten代替。 | 
    
      | merge(Observable<? extends Observable<? extends T>>) | flatten(<:<[Observable[T], Observable[Observable[U]]]) | 
    
      | merge(Observable<? extends T>, Observable<? extends T>) | merge(Observable[U]) | 
    
      | merge(Iterable<? extends Observable<? extends T>>) | 使用 Observable.from(iter).flatten | 
    
      | merge(Observable<? extends Observable<? extends T>>, Int) | flatten(Int)(<:<[Observable[T], Observable[Observable[U]]]) | 
    
      | merge(Iterable<? extends Observable<? extends T>>, Int) | 使用 Observable.from(iter).flatten(n) | 
    
      | mergeDelayError(Observable<? extends Observable<? extends T>>) | flattenDelayError(<:<[Observable[T], Observable[Observable[U]]]) | 
    
      | mergeDelayError(...) | flattenDelayError(Int)(<:<[Observable[T], Observable[Observable[U]]]) | 
    
      | mergeDelayError(...)
 mergeDelayError(...)
 mergeDelayError(...)
 mergeDelayError(...)
 mergeDelayError(...)
 mergeDelayError(...)
 mergeDelayError(...) | 无必要,因为我们可以使用 Observable(o1, o2, ...).flattenDelayError代替。 | 
    
      | mergeDelayError(...) | mergeDelayError(Observable[U]) | 
    
      | mergeWith(Observable<? extends T>) | merge(Observable[U]) | 
    
      | nest() | nest | 
    
      | never() | never | 
    
      | observeOn(Scheduler) | observeOn(Scheduler) | 
    
      | ofType(Class<R>) | 使用 filter(_.isInstanceOf[Class]) | 
    
      | onBackpressureBuffer(Long) | onBackpressureBuffer(Long) | 
    
      | onBackpressureBuffer(Long, Action0) | onBackpressureBuffer(Long, => Unit) | 
    
      | onBackpressureBuffer() | onBackpressureBuffer | 
    
      | onBackpressureDrop(Action1<? super T>) | onBackpressureDrop(T => Unit) | 
    
      | onBackpressureDrop() | onBackpressureDrop | 
    
      | onBackpressureLatest() | onBackpressureLatest | 
    
      | onErrorResumeNext(...)
 onErrorResumeNext(Observable<? extends T>) | onErrorResumeNext(Throwable => Observable[U]) | 
    
      | onErrorReturn(Func1<Throwable, ? extends T>) | onErrorReturn(Throwable => U) | 
    
      | onExceptionResumeNext(Observable<? extends T>) | onExceptionResumeNext(Observable[U]) | 
    
      | publish() | publish | 
    
      | publish(Func1<? super Observable<T>, ? extends Observable<R>>) | publish(Observable[T] => Observable[R]) | 
    
      | range(Int, Int) | Java Observable 的 range方法接受start和count参数,而 Scala Iterable 的range方法接受start和end参数,因此添加这两个方法中的任何一个都会造成混淆。此外,由于scala.collection.immutable.Range是Iterable的子类型,因此有两种创建范围 Observable 的好方法:(start to end).toObservable或Observable.from(start to end),使用until和by还可以实现更多选项。 | 
    
      | range(Int, Int, Scheduler) | 使用 (start until end).toObservable.subscribeOn(scheduler)代替range(start, count, scheduler) | 
    
      | reduce(Func2<T, T, T>) | reduce((U, U) => U) | 
    
      | reduce(R, Func2<R, ? super T, R>) | foldLeft(R)((R, T) => R) | 
    
      | repeat() | repeat | 
    
      | repeat(Long) | repeat(Long) | 
    
      | repeat(Long, Scheduler) | repeat(Long, Scheduler) | 
    
      | repeat(Scheduler) | repeat(Scheduler) | 
    
      | repeatWhen(...) | repeatWhen(Observable[Unit] => Observable[Any]) | 
    
      | repeatWhen(...) | repeatWhen(Observable[Unit] => Observable[Any], Scheduler) | 
    
      | replay(...) | replay(Observable[T] => Observable[R], Int, Duration, Scheduler) | 
    
      | replay(...) | replay(Observable[T] => Observable[R], Scheduler) | 
    
      | replay(Long, TimeUnit, Scheduler) | replay(Duration, Scheduler) | 
    
      | replay(Scheduler) | replay(Scheduler) | 
    
      | replay(...) | replay(Observable[T] => Observable[R], Int) | 
    
      | replay(...) | replay(Observable[T] => Observable[R], Duration) | 
    
      | replay(Long, TimeUnit) | replay(Duration) | 
    
      | replay(Int, Long, TimeUnit) | replay(Int, Duration) | 
    
      | replay(...) | replay(Observable[T] => Observable[R], Int, Duration) | 
    
      | replay(Int, Long, TimeUnit, Scheduler) | replay(Int, Duration, Scheduler) | 
    
      | replay(Func1<? super Observable<T>, ? extends Observable<R>>) | replay(Observable[T] => Observable[R]) | 
    
      | replay(Int) | replay(Int) | 
    
      | replay(...) | replay(Observable[T] => Observable[R], Int, Scheduler) | 
    
      | replay(...) | replay(Observable[T] => Observable[R], Duration, Scheduler) | 
    
      | replay(Int, Scheduler) | replay(Int, Scheduler) | 
    
      | replay() | replay | 
    
      | retry(Long) | retry(Long) | 
    
      | retry() | retry | 
    
      | retry(Func2<Integer, Throwable, Boolean>) | retry((Int, Throwable) => Boolean) | 
    
      | retryWhen(...) | retryWhen(Observable[Throwable] => Observable[Any]) | 
    
      | retryWhen(...) | retryWhen(Observable[Throwable] => Observable[Any], Scheduler) | 
    
      | sample(Long, TimeUnit) | sample(Duration) | 
    
      | sample(Long, TimeUnit, Scheduler) | sample(Duration, Scheduler) | 
    
      | sample(Observable<U>) | sample(Observable[Any]) | 
    
      | scan(Func2<T, T, T>) | 在 Scala 中被认为是无必要的。 | 
    
      | scan(R, Func2<R, ? super T, R>) | scan(R)((R, T) => R) | 
    
      | sequenceEqual(Observable<? extends T>, Observable<? extends T>) | sequenceEqual(Observable[U]) | 
    
      | sequenceEqual(...) | sequenceEqualWith(Observable[U])((U, U) => Boolean) | 
    
      | serialize() | serialize | 
    
      | share() | share | 
    
      | single(Func1<? super T, Boolean>) | 使用 filter(predicate).single | 
    
      | single() | single | 
    
      | singleOrDefault(T, Func1<? super T, Boolean>) | 使用 filter(predicate).singleOrElse(default) | 
    
      | singleOrDefault(T) | singleOrElse(=> U) | 
    
      | skip(Long, TimeUnit, Scheduler) | drop(Duration, Scheduler) | 
    
      | skip(Int) | drop(Int) | 
    
      | skip(Long, TimeUnit) | drop(Duration) | 
    
      | skipLast(Long, TimeUnit, Scheduler) | dropRight(Duration, Scheduler) | 
    
      | skipLast(Long, TimeUnit) | dropRight(Duration) | 
    
      | skipLast(Int) | dropRight(Int) | 
    
      | skipUntil(Observable<U>) | dropUntil(Observable[Any]) | 
    
      | skipWhile(Func1<? super T, Boolean>) | dropWhile(T => Boolean) | 
    
      | startWith(Iterable<T>) | 使用 Observable.from(iterable) ++ o | 
    
      | startWith(T, T)
 startWith(T, T, T)
 startWith(T, T, T, T)
 startWith(T, T, T, T, T)
 startWith(T, T, T, T, T, T)
 startWith(T, T, T, T, T, T, T)
 startWith(T, T, T, T, T, T, T, T)
 startWith(T, T, T, T, T, T, T, T, T) | 使用 Observable.just(...) ++ o | 
    
      | startWith(T) | 使用 item +: o | 
    
      | startWith(Observable<T>) | 使用 ++ | 
    
      | subscribe(Action1<? super T>, Action1<Throwable>) | subscribe(T => Unit, Throwable => Unit) | 
    
      | subscribe(Action1<? super T>, Action1<Throwable>, Action0) | subscribe(T => Unit, Throwable => Unit, () => Unit) | 
    
      | subscribe() | subscribe() | 
    
      | subscribe(Action1<? super T>) | subscribe(T => Unit) | 
    
      | subscribe(Subscriber<? super T>) | subscribe(Subscriber[T]) | 
    
      | subscribe(Observer<? super T>) | subscribe(Observer[T]) | 
    
      | subscribeOn(Scheduler) | subscribeOn(Scheduler) | 
    
      | switchIfEmpty(Observable<? extends T>) | switchIfEmpty(Observable[U]) | 
    
      | switchMap(Func1<? super T, ? extends Observable<? extends R>>) | switchMap(T => Observable[R]) | 
    
      | switchOnNext(Observable<? extends Observable<? extends T>>) | switch(<:<[Observable[T], Observable[Observable[U]]]) | 
    
      | take(Long, TimeUnit, Scheduler) | take(Duration, Scheduler) | 
    
      | take(Int) | take(Int) | 
    
      | take(Long, TimeUnit) | take(Duration) | 
    
      | takeFirst(Func1<? super T, Boolean>) | 使用 filter(condition).take(1) | 
    
      | takeLast(Int, Long, TimeUnit) | takeRight(Int, Duration) | 
    
      | takeLast(Long, TimeUnit, Scheduler) | takeRight(Duration, Scheduler) | 
    
      | takeLast(Int, Long, TimeUnit, Scheduler) | takeRight(Int, Duration, Scheduler) | 
    
      | takeLast(Long, TimeUnit) | takeRight(Duration) | 
    
      | takeLast(Int) | takeRight(Int) | 
    
      | takeLastBuffer(Int)
 takeLastBuffer(Int, Long, TimeUnit)
 takeLastBuffer(Int, Long, TimeUnit, Scheduler)
 takeLastBuffer(Long, TimeUnit)
 takeLastBuffer(Long, TimeUnit, Scheduler) | 使用 takeRight(...).toSeq | 
    
      | takeUntil(Func1<? super T, Boolean>) | takeUntil(T => Boolean) | 
    
      | takeUntil(Observable<? extends E>) | takeUntil(Observable[Any]) | 
    
      | takeWhile(Func1<? super T, Boolean>) | takeWhile(T => Boolean) | 
    
      | throttleFirst(Long, TimeUnit) | throttleFirst(Duration) | 
    
      | throttleFirst(Long, TimeUnit, Scheduler) | throttleFirst(Duration, Scheduler) | 
    
      | throttleLast(Long, TimeUnit) | throttleLast(Duration) | 
    
      | throttleLast(Long, TimeUnit, Scheduler) | throttleLast(Duration, Scheduler) | 
    
      | throttleWithTimeout(Long, TimeUnit, Scheduler) | throttleWithTimeout(Duration, Scheduler) | 
    
      | throttleWithTimeout(Long, TimeUnit) | throttleWithTimeout(Duration) | 
    
      | timeInterval() | timeInterval | 
    
      | timeInterval(Scheduler) | timeInterval(Scheduler) | 
    
      | timeout(...) | timeout(T => Observable[Any], Observable[U]) | 
    
      | timeout(...) | timeout(() => Observable[Any], T => Observable[Any]) | 
    
      | timeout(Func1<? super T, ? extends Observable<V>>) | timeout(T => Observable[Any]) | 
    
      | timeout(Long, TimeUnit, Observable<? extends T>) | timeout(Duration, Observable[U]) | 
    
      | timeout(Long, TimeUnit, Observable<? extends T>, Scheduler) | timeout(Duration, Observable[U], Scheduler) | 
    
      | timeout(Long, TimeUnit) | timeout(Duration) | 
    
      | timeout(...) | timeout(() => Observable[Any], T => Observable[Any], Observable[U]) | 
    
      | timeout(Long, TimeUnit, Scheduler) | timeout(Duration, Scheduler) | 
    
      | timer(Long, TimeUnit, Scheduler) | timer(Duration, Scheduler) | 
    
      | timer(Long, TimeUnit) | timer(Duration) | 
    
      | timestamp(Scheduler) | timestamp(Scheduler) | 
    
      | timestamp() | timestamp | 
    
      | toBlocking() | toBlocking | 
    
      | toList() | toSeq | 
    
      | toMap(...) | toMap(T => K, T => V) | 
    
      | toMap(Func1<? super T, ? extends K>) | toMap(T => K) | 
    
      | toMap(...) | mapFactory 不需要,因为 Scala 有 CanBuildFrom | 
    
      | toMultimap(...) | RxScala 中的 toMultiMap返回mutable.MultiMap。它是一个Map[A, mutable.Set[B]]。可以覆盖def makeSet: Set[B]来创建一个自定义 Set。 | 
    
      | toMultimap(Func1<? super T, ? extends K>) | toMultiMap(T => K) | 
    
      | toMultimap(...) | toMultiMap(T => K, T => V, => M) | 
    
      | toMultimap(...) | toMultiMap(T => K, T => V) | 
    
      | toSingle() | 待办事项 | 
    
      | toSortedList(Func2<? super T, ? super T, Integer>)
 toSortedList(Func2<? super T, ? super T, Integer>, Int) | Scala 的集合库中已经实现了排序功能,使用 .toSeq.map(_.sortWith(f)) | 
    
      | toSortedList()
 toSortedList(Int) | Scala 的集合库中已经实现了排序功能,使用 .toSeq.map(_.sorted) | 
    
      | unsafeSubscribe(Subscriber<? super T>) | unsafeSubscribe(Subscriber[T]) | 
    
      | unsubscribeOn(Scheduler) | unsubscribeOn(Scheduler) | 
    
      | using(...)
 using(...) | using(=> Resource)(Resource => Observable[T], Resource => Unit, Boolean) | 
    
      | window(Long, TimeUnit, Scheduler) | tumbling(Duration, Scheduler) | 
    
      | window(Func0<? extends Observable<? extends TClosing>>)
 window(Observable<U>) | tumbling(=> Observable[Any]) | 
    
      | window(Int) | tumbling(Int) | 
    
      | window(Long, Long, TimeUnit) | sliding(Duration, Duration) | 
    
      | window(Int, Int) | sliding(Int, Int) | 
    
      | window(Long, Long, TimeUnit, Int, Scheduler) | sliding(Duration, Duration, Int, Scheduler) | 
    
      | window(Long, TimeUnit, Int, Scheduler) | tumbling(Duration, Int, Scheduler) | 
    
      | window(Long, Long, TimeUnit, Scheduler) | sliding(Duration, Duration, Scheduler) | 
    
      | window(...) | sliding(Observable[Opening])(Opening => Observable[Any]) | 
    
      | window(Long, TimeUnit) | tumbling(Duration) | 
    
      | window(Long, TimeUnit, Int) | tumbling(Duration, Int) | 
    
      | withLatestFrom(...) | withLatestFrom(Observable[U])((T, U) => R) | 
    
      | zip(...) | 使用实例方法 zip和map | 
    
      | zip(Iterable<? extends Observable<_>>, FuncN<? extends R>)
 zip(Observable<? extends Observable<_>>, FuncN<? extends R>) | 使用伴随对象中的 zip和map | 
    
      | zip(...)
 zip(...)
 zip(...)
 zip(...)
 zip(...)
 zip(...)
 zip(...) | 在 Scala 中被认为是无必要的。 | 
    
      | zipWith(...) | zipWith(Iterable[U])((T, U) => R) | 
    
      | zipWith(...) | zipWith(Observable[U])((T, U) => R) |