โœจ
Combine ๐Ÿค RxSwift ๐Ÿค ReactiveSwift
  • Combine ๐Ÿค RxSwift ๐Ÿค ReactiveSwift
  • Publisher
    • Publishers.Merge
    • Publishers.Zip3
    • Publishers.TryScan
    • Publishers.MergeMany
    • Publishers.Breakpoint
    • AnyPublisher
    • Publishers.Concatenate
    • Publishers.Drop
    • Publishers.Decode
    • Publishers.TryCompactMap
    • Publishers.CombineLatest4
    • Optional.Publisher
    • Publishers.CollectByCount
    • Publishers.TryFilter
    • Publishers.CombineLatest3
    • Publishers.TryContainsWhere
    • Just
    • Publishers.TryFirstWhere
    • Publishers.MapError
    • Publishers.RemoveDuplicates
    • Result.Publisher
    • Publishers.LastWhere
    • Publishers.First
    • Publishers.Throttle
    • Publishers.DropUntilOutput
    • Publishers.Count
    • Publishers.Comparison
    • Publishers.Debounce
    • Publishers.MapKeyPath
    • Publishers.CollectByTime
    • Publishers.TryDropWhile
    • Empty
    • Publishers.PrefixUntilOutput
    • Publishers.Print
    • URLSession.DataTaskPublisher
    • Publishers.Reduce
    • Publishers.MapKeyPath3
    • Publishers.Collect
    • Publishers.TryPrefixWhile
    • Publishers.MapKeyPath2
    • Future
    • Publishers.SubscribeOn
    • Publishers.AllSatisfy
    • Publishers.Retry
    • Publishers.ContainsWhere
    • Publishers.SetFailureType
    • Publishers.TryMap
    • Publishers.Output
    • Publishers.TryRemoveDuplicates
    • Publishers.HandleEvents
    • Publishers.Sequence
    • Publishers.TryCatch
    • Publishers.Merge8
    • Publishers.CombineLatest
    • Deferred
    • Publishers.Merge7
    • Publishers.Contains
    • Fail
    • Publishers.Merge6
    • Publishers.TryComparison
    • Publishers.Delay
    • Publishers.Scan
    • Publishers.Merge5
    • Publishers.MeasureInterval
    • Publishers.AssertNoFailure
    • Publishers.ReceiveOn
    • Publishers.Merge4
    • Publishers.DropWhile
    • Publishers.Merge3
    • Publishers.TryReduce
    • Publishers.Zip
    • Publishers.Timeout
    • Publishers.CompactMap
    • Publishers.ReplaceEmpty
    • Publishers.PrefixWhile
    • Publishers.Filter
    • Publishers.TryAllSatisfy
    • Publishers.FirstWhere
    • Publishers.Last
    • Publishers.Map
    • Publishers.SwitchToLatest
    • Publishers.TryLastWhere
    • Publishers.Encode
    • Publishers.Catch
    • Publishers.ReplaceError
    • Pulishers.IgnoreOutput
    • Publishers.Zip4
  • Subject
    • PassthroughSubject
    • CurrentValueSubject
  • Subscriber
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  • RxSwift
  • ReactiveSwift
  • ์ฐธ๊ณ 

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  1. Publisher

Deferred

์ œ๋„ค๋ฆญ ๊ตฌ์กฐ์ฒด | ์ƒˆ๋กœ์šด Subscriber๋ฅผ ์œ„ํ•œ Publisher๋ฅผ ์ƒ์„ฑํ•˜๊ธฐ ์œ„ํ•ด ์ œ๊ณต๋œ ํด๋กœ์ €๋ฅผ ์‹คํ–‰ํ•˜๊ธฐ ์ „์— ๊ตฌ๋…์„ ๊ธฐ๋‹ค๋ฆฌ๋Š” Publisher

์ด๋‹ˆ์…œ๋ผ์ด์ €๋Š” ํ•œ ๊ฐœ์˜ ์ธ์ž๋ฅผ ๋ฐ›๋Š”๋‹ค.

  • createPublisher : subscribe๋ฅผ ํ˜ธ์ถœํ•  ๋•Œ ์‹คํ–‰ํ•  ํด๋กœ์ €. ํด๋กœ์ €๋Š” ์ง€์—ฐ ์‹คํ–‰ํ•  Publisher๋ฅผ ๋ฐ˜ํ™˜ํ•œ๋‹ค.

์ด๋‹ˆ์…œ๋ผ์ด์ €๋Š” ์ง€์—ฐ ์‹คํ–‰ํ•  Publisher๋ฅผ ๋งŒ๋“œ๋Š” ํด๋กœ์ €๋ฅผ ๋ฐ›๋Š”๋‹ค. ์ด ํด๋กœ์ €๋Š” Deferred Publisher๋ฅผ ๊ตฌ๋…ํ•  ๋•Œ๋งˆ๋‹ค ์‹คํ–‰๋˜์–ด ๊ฐ๊ฐ์˜ ์˜ต์ €๋ฒ„๊ฐ€ ์ƒˆ๋กœ์šด ์ŠคํŠธ๋ฆผ์„ ๋ฐ›๋„๋ก ํ•œ๋‹ค.

Deferred { Just(Void()) }
  .sink(receiveValue: { print("Combine Deferred") })
  .store(in: &cancellables)

// Combine Deferred

RxSwift

deferred ์˜คํผ๋ ˆ์ดํ„ฐ๋ฅผ ์‚ฌ์šฉํ•˜์—ฌ ๊ตฌํ˜„ํ•  ์ˆ˜ ์žˆ๋‹ค.

Observable.deferred { Observable.just(Void()) }
  .subscribe(onNext: { print("RxSwift Deferred") })
  .disposed(by: disposeBag)

// RxSwift Deferred

ReactiveSwift

ํ•ด๋‹น ๋™์ž‘์„ ๊ตฌํ˜„ํ•˜๋Š” ์˜คํผ๋ ˆ์ดํ„ฐ๋ฅผ ์ œ๊ณตํ•˜์ง€ ์•Š๋Š”๋‹ค.

์ฐธ๊ณ 

PreviousPublishers.CombineLatestNextPublishers.Merge7

Last updated 5 years ago

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ReactiveX - Operators - Defer