ReactiveObjC (六) ( RACSignal (Op

@interface RACSignal<__covariant ValueType> (Operations)
- (RACSignal<ValueType> *)doNext:(void (^)(ValueType _Nullable x))block RAC_WARN_UNUSED_RESULT;
- (RACSignal<ValueType> *)doError:(void (^)(NSError * _Nonnull error))block RAC_WARN_UNUSED_RESULT;
- (RACSignal<ValueType> *)doCompleted:(void (^)(void))block RAC_WARN_UNUSED_RESULT;
- (RACSignal<ValueType> *)throttle:(NSTimeInterval)interval RAC_WARN_UNUSED_RESULT;
- (RACSignal<ValueType> *)throttle:(NSTimeInterval)interval valuesPassingTest:(BOOL (^)(id _Nullable next))predicate RAC_WARN_UNUSED_RESULT;
- (RACSignal<ValueType> *)delay:(NSTimeInterval)interval RAC_WARN_UNUSED_RESULT;
- (RACSignal<ValueType> *)repeat RAC_WARN_UNUSED_RESULT;
- (RACSignal<ValueType> *)initially:(void (^)(void))block RAC_WARN_UNUSED_RESULT;
- (RACSignal<ValueType> *)finally:(void (^)(void))block RAC_WARN_UNUSED_RESULT;
- (RACSignal<RACTuple *> *)bufferWithTime:(NSTimeInterval)interval onScheduler:(RACScheduler *)scheduler;
- (RACSignal<NSArray<ValueType> *> *)collect RAC_WARN_UNUSED_RESULT;
- (RACSignal<ValueType> *)takeLast:(NSUInteger)count RAC_WARN_UNUSED_RESULT;
- (RACSignal<RACTwoTuple<ValueType, id> *> *)combineLatestWith:(RACSignal *)signal RAC_WARN_UNUSED_RESULT;
+ (RACSignal<RACTuple *> *)combineLatest:(id<NSFastEnumeration>)signals RAC_WARN_UNUSED_RESULT;
+ (RACSignal<ValueType> *)combineLatest:(id<NSFastEnumeration>)signals reduce:(ValueType _Nullable (^)())reduceBlock RAC_WARN_UNUSED_RESULT;
- (RACSignal *)merge:(RACSignal *)signal RAC_WARN_UNUSED_RESULT;
+ (RACSignal<ValueType> *)merge:(id<NSFastEnumeration>)signals RAC_WARN_UNUSED_RESULT;
- (RACSignal *)flatten:(NSUInteger)maxConcurrent RAC_WARN_UNUSED_RESULT;
- (RACSignal *)then:(RACSignal * (^)(void))block RAC_WARN_UNUSED_RESULT;
- (RACSignal *)concat RAC_WARN_UNUSED_RESULT;
- (RACSignal *)aggregateWithStart:(id)start reduce:(id (^)(id running, id next))reduceBlock RAC_WARN_UNUSED_RESULT;
- (RACSignal *)aggregateWithStart:(id)start reduceWithIndex:(id (^)(id running, id next, NSUInteger index))reduceBlock RAC_WARN_UNUSED_RESULT;
- (RACSignal *)aggregateWithStartFactory:(id (^)(void))startFactory reduce:(id (^)(id running, id next))reduceBlock RAC_WARN_UNUSED_RESULT;
- (RACDisposable *)setKeyPath:(NSString *)keyPath onObject:(NSObject *)object;
- (RACDisposable *)setKeyPath:(NSString *)keyPath onObject:(NSObject *)object nilValue:(nullable id)nilValue;
+ (RACSignal<NSDate *> *)interval:(NSTimeInterval)interval onScheduler:(RACScheduler *)scheduler RAC_WARN_UNUSED_RESULT;
+ (RACSignal<NSDate *> *)interval:(NSTimeInterval)interval onScheduler:(RACScheduler *)scheduler withLeeway:(NSTimeInterval)leeway RAC_WARN_UNUSED_RESULT;
- (RACSignal<ValueType> *)takeUntil:(RACSignal *)signalTrigger RAC_WARN_UNUSED_RESULT;
- (RACSignal *)takeUntilReplacement:(RACSignal *)replacement RAC_WARN_UNUSED_RESULT;
- (RACSignal *)catch:(RACSignal * (^)(NSError * _Nonnull error))catchBlock RAC_WARN_UNUSED_RESULT;
- (RACSignal *)catchTo:(RACSignal *)signal RAC_WARN_UNUSED_RESULT;
+ (RACSignal<ValueType> *)try:(nullable ValueType (^)(NSError **errorPtr))tryBlock RAC_WARN_UNUSED_RESULT;
- (RACSignal<ValueType> *)try:(BOOL (^)(id _Nullable value, NSError **errorPtr))tryBlock RAC_WARN_UNUSED_RESULT;
- (RACSignal *)tryMap:(id (^)(id _Nullable value, NSError **errorPtr))mapBlock RAC_WARN_UNUSED_RESULT;
- (nullable ValueType)first;
- (nullable ValueType)firstOrDefault:(nullable ValueType)defaultValue;
- (nullable ValueType)firstOrDefault:(nullable ValueType)defaultValue success:(nullable BOOL *)success error:(NSError * _Nullable * _Nullable)error;
- (BOOL)waitUntilCompleted:(NSError * _Nullable * _Nullable)error;
+ (RACSignal<ValueType> *)defer:(RACSignal<ValueType> * (^)(void))block RAC_WARN_UNUSED_RESULT;
- (RACSignal *)switchToLatest RAC_WARN_UNUSED_RESULT;
+ (RACSignal<ValueType> *)switch:(RACSignal *)signal cases:(NSDictionary *)cases default:(nullable RACSignal *)defaultSignal RAC_WARN_UNUSED_RESULT;
+ (RACSignal<ValueType> *)if:(RACSignal<NSNumber *> *)boolSignal then:(RACSignal *)trueSignal else:(RACSignal *)falseSignal RAC_WARN_UNUSED_RESULT;
- (nullable NSArray<ValueType> *)toArray;
@property (nonatomic, strong, readonly) RACSequence<ValueType> *sequence;
- (RACMulticastConnection<ValueType> *)publish RAC_WARN_UNUSED_RESULT;
- (RACMulticastConnection<ValueType> *)multicast:(RACSubject<ValueType> *)subject RAC_WARN_UNUSED_RESULT;
- (RACSignal<ValueType> *)replay;
- (RACSignal<ValueType> *)replayLast;
- (RACSignal<ValueType> *)replayLazily;
- (RACSignal<ValueType> *)timeout:(NSTimeInterval)interval onScheduler:(RACScheduler *)scheduler RAC_WARN_UNUSED_RESULT;
- (RACSignal<ValueType> *)deliverOn:(RACScheduler *)scheduler RAC_WARN_UNUSED_RESULT;
- (RACSignal<ValueType> *)subscribeOn:(RACScheduler *)scheduler RAC_WARN_UNUSED_RESULT;
- (RACSignal<ValueType> *)deliverOnMainThread RAC_WARN_UNUSED_RESULT;
- (RACSignal<RACGroupedSignal *> *)groupBy:(id<NSCopying> _Nullable (^)(id _Nullable object))keyBlock transform:(nullable id _Nullable (^)(id _Nullable object))transformBlock  RAC_WARN_UNUSED_RESULT;
- (RACSignal<RACGroupedSignal *> *)groupBy:(id<NSCopying> _Nullable (^)(id _Nullable object))keyBlock  RAC_WARN_UNUSED_RESULT;
- (RACSignal<NSNumber *> *)any RAC_WARN_UNUSED_RESULT;
- (RACSignal<NSNumber *> *)any:(BOOL (^)(id _Nullable object))predicateBlock RAC_WARN_UNUSED_RESULT;
- (RACSignal<NSNumber *> *)all:(BOOL (^)(id _Nullable object))predicateBlock RAC_WARN_UNUSED_RESULT;
- (RACSignal<ValueType> *)retry:(NSInteger)retryCount RAC_WARN_UNUSED_RESULT;
- (RACSignal<ValueType> *)retry RAC_WARN_UNUSED_RESULT;
- (RACSignal<ValueType> *)sample:(RACSignal *)sampler RAC_WARN_UNUSED_RESULT;
- (RACSignal *)ignoreValues RAC_WARN_UNUSED_RESULT;
- (RACSignal<RACEvent<ValueType> *> *)materialize RAC_WARN_UNUSED_RESULT;
- (RACSignal *)dematerialize RAC_WARN_UNUSED_RESULT;