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3Yͷҟৗऴྃͷݪଇ ˣ 0CTFSWBCMFγʔέϯεʹ Τϥʔྲྀ͞ΕΔͱͦΕҎ߱ ߪಡͰ͖ͳ͘ͳΔ ☓ ☓

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ਖ਼ৗܥͱҟৗܥͷΠϕϯτΛ औΓग़ͤΔΑ͏ͳϝιουΛ༻ҙ extension ObservableType where E: EventConvertible { public func elements() -> Observable { return filter { $0.event.element != nil } .map { $0.event.element! } } public func errors() -> Observable { return filter { $0.event.error != nil } .map { $0.event.error! } } } // 1. ObservableͷE͕EventConvertible४ڌͰ͋Ε͹࢖͑ΔΑ͏ʹͳΔ // ྫ͑͹ Observable> ͱ͔ // 2_1. Πϕϯτͷਖ਼ৗܥelementͷΈΛฦ͢Α͏ʹ͢Δ͚ͩ // 2_2. ΠϕϯτͷΤϥʔͷΈΛฦ͢Α͏ʹ͢Δ͚ͩ

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let result = Observable.of(1, 2) .flatMap { _ -> Observable> in let observable = Observable.create { observer in observer.onNext("A") observer.onError(TestError.test) observer.onNext(“B") observer.onCompleted() return Disposables.create() } return observable.materialize() } output1 = result .elements() .subscribe(onNext: { print("elements, onNext: \($0)”) }, onError: { print("elements, onError: \($0)") },) error = result .errors() .subscribe(onNext: { print("errors, onNext: \($0)") }, onError: { print("errors, onError: \($0)") }) —— ग़ྗ —— elements, onNext: A elements, onNext: A elements, onCompleted: errors, onNext: test errors, onNext: test errors, onCompleted:

ͱ͍͏͜ͱͰ FMFNFOUT ͱFSSPST ϝιουΛFYUFOTJPOʹ͠ ର৅ͷ0CTFSWBCMFγʔέϯεʹ NBUFSJBMJ[F ͢Δ͚ͩͰ FSSPSͷγʔέϯε͕෼ذͰ͖Δʜ

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ྫಛఆͷΤϥʔʹ͢Δ let error: Observable = result .errors() .map { guard let error = $0 as? OAuthSwiftError else { // ͜͜ͰΫϥογϡϨϙʔτૹΓͭͭ …. fatalError($0.localizedDescription) } return error } .share(replay: 1) w Ͱ͖Δ͚Ͳ΋ʜ w ΍Δඞཁ͕͋ΔͱࢥͬͨΒ΍ͬͨΒΑΖͦ͠͏ w .PEFM૚ͷԞਂ͘ͰಛఆͷΤϥʔͷΈΛ૝ఆ͍ͯ͠Δ৔߹ͳͲ w ͦ͜·Ͱ΍Δඞཁͳͦ͞͏ͱ൑அͰ͖Δͱ͖ w 7JFX.PEFMͷϓϨθϯςʔγϣϯϩδοΫͰ&SSPS൑ผ͢Ε͹͍ ͍ͱ͍͏৔߹ͳͲ

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4JOHMF΍.BZCF $PNQMFUBCMFͰ͸ ͦͷ··Ͱ͸ NBUFSJBMJ[F͸࢖͑ͳ͍

1SPUPDPM 0CTFSWBCMF5ZQF NBUFSJBMJ[F 1SPUPDPM 1SJNJUJWF4FRVFODF5ZQF $MBTT 0CTFSWBCMF& 1SPUPDPM 0CTFSWBCMF$POWFSUJCMF5ZQF 4USVDU 1SJNJUJWF4FRVFODF5SBJU &MFNFOU 4JOHMFͳͲ

4JOHMFͰNBUFSJBMJ[FΛ࢖͍͍ͨ৔߹ BT0CTFSWBCMF NFUFSJBMJ[F

ྫ͑͹4JOHMFΛฦ͢ΠϯλϑΣʔε͕ ͋ͬͨͱͯ͠ ͦ͏͍͏΋ͷ͸ BT0CTFSWBCMF NFUFSJBMJ[F ͢Δ͜ͱʹΑͬͯ 0CTFSWBCMF&WFOU3FTQPOTF ͱͳΔ func request(_ param: RequestParam) -> Single {}

ͦ΋ͦ΋ ͳͥ͜ͷ෼ذํ๏ʹ ؾ͍͔ͮͨ

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·ͱΊ w ΤϥʔΛ෼ذ͍ͨ͠ͱ͖͸0CTFSWBCMF&WFOU5 w NBUFSJBMJ[F ݺ΂͹ˢʹͳΔ w &WFOUͷpMUFSͱNBQ͢ΔϝιουͰͭʹ෼ذ w &SSPSΛ೚ҙͷ&SSPSʹͰ͖ΔͷͰ΍ͬͯ΋͍͍ w NBUFSJBMJ[F ͸0CTFSWBCMF5ZQFʹ͔࣮͠૷͞Ε͍ͯͳ͍ ͷͰ4JOHMF .BZCF $PNQMFUFEͳͲͰ͸࢖͑ͳ͍

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