Swift | 喜びと感動を

Developers IO 2016 in Fukuoka での資料です

Transcript

1. %FWFMPQFST*0
    ాத޹໌
   ⡥
   $MBTTNFUIPE
   *OD ೥݄೔ 4XJGU
   تͼͱײಈΛ 
2. "CPVU
   .F 
3.  w ాத޹໌
   w IUUQEFWDMBTTNFUIPEKQBVUIPSUBOBLBUBLBBLJ
   w ϞόΠϧΞϓϦαʔϏε෦ॴଐ
   w J04։ൃ୲౰
   4XJGU
   w ೥݄ೖࣾ
4. 
5. 
6. ؓ࿩ٳ୊ 
7. "HFOEB w Ϋϥεϝιουͱ4XJGU
   w 4XJGUͷ֓ཁ
   w 4XJGUͷΤίγεςϜ
   w ͜Ε͔Βͷ4XJGU
   w ·ͱΊ  ⡥
   $MBTTNFUIPE
   *OD
8. Ϋϥεϝιουͱ4XJGU 
9. Ϋϥεϝιουͱ4XJGU w ೥຤ʹ৽نҊ݅޲͚ʹ౤ೖ
   w 4XJGU
   7FSTJPO
   
   w ͦͷޙ4XJGU
   7FSTJPO
   ΁
   w ೥݄ʹ4XJGU
   ରԠ
   w ೥຤͔Β͸৽نҊ݅͸ɺ͢΂ͯ4XJGU΁
   w J04ΤϯδχΞ͸໿໊
   w ֤ϓϩδΣΫτͰΞαΠϯ͞ΕΔͷ͸d໊  ⡥
   $MBTTNFUIPE
   *OD
10. ֤ίϛϡχςΟ΁ͷߩݙ w USZ
    4XJGU
    w 4*-7&3εϙϯαʔ  ⡥
    $MBTTNFUIPE
    *OD
11. ֤ίϛϡχςΟ΁ͷߩݙ w ",*#"TXJGU
    w Ϋϥεϝιουओ࠵
    w ຖ݄ճΛ౒ྗ໨ඪͰ։࠵
    w ೥݄։࠵Ҏ߱օۈ  ⡥
    $MBTTNFUIPE
    *OD
12. )","5"TXJGU 
13. ॳֶऀ޲͚ͷ
    ಺༰ͱͳΓ·͢ 
14. 4XJGUͷ֓ཁ 
15. 4XJGUͷओͳಛ௃ w MFU
    WBS
    w ܕਪ࿦
    w $MBTT
    4USVDU
    w 0QUJPOBM
    w &OVN
    w (FOFSJDT
    w $MPTVSF
    w 1SPUPDPM
    w 1SPUPDPM
    &YUFOTJPO
    w NBQ
    
    qBUNBQ  ⡥
    $MBTTNFUIPE
    *OD
16. ม਺ w MFU
    w JNNVUBCMFͳ஋Λѻ͏
    w ࠶୅ೖ͸ෆՄೳ
    w ෆม஋Ͱ͋Δ͜ͱΛอূ͢Δ
    w WBS
    w NVUBCMFͳ஋Λѻ͏
    w ࠶୅ೖ͸Մೳ
    w 7FSTJPO
    Ҏ߱͸NFUIPEͷҾ਺ʹࢦఆͰ͖ͳ͘ͳͬͨ  ⡥
    $MBTTNFUIPE
    *OD
17. ม਺ let array: [String] = ["aaa"] array.append("bbb") array.append("ccc") array.append("ddd")  ⡥
    $MBTTNFUIPE
    *OD let value: Int = 10 value = value + 2
18. ม਺  ⡥
    $MBTTNFUIPE
    *OD class Area { var code: String = "0010" } let area: Area = Area() area.code = "0012"
19. ܕਪ࿦ w ܕਪ࿦
    w એݴ࣌ʹܕΛࢦఆ͠ͳͯ͘΋ɺ༩͑ΒΕͨγάωνϟ͔Β
 ࣗಈతʹܕΛ൑ผ͢Δ  ⡥
    $MBTTNFUIPE
    *OD let num1 = 1.0 // Double let num2 = 2 // Int let str = "Hello!" // String
20. ܕਪ࿦  ⡥
    $MBTTNFUIPE
    *OD let num3 = 1 + 1.0 // Double let num4: CGFloat = 1.5 let num5 = num4 + 1.2 // CGFloat
21. ܕਪ࿦  ⡥
    $MBTTNFUIPE
    *OD let num4: CGFloat = 1.5 let num5 = 1.2 let num6 = num4 + num5
22. Ϋϥε w $MBTT
    w ࢀরܕ
    w ୅ೖ͞Εͨ৔߹͸ΞυϨε͕ࢀর͞ΕΔ  ⡥
    $MBTTNFUIPE
    *OD w 4USVDU
    w ஋ܕ
    w ୅ೖ͞Εͨ৔߹͸ίϐʔ͞ΕΔ
    w 0CKFDUJWF$ʹ͸ແ͍ͷͰ0CKFDWJUF$͔ΒݺͿ৔߹͸ /40CKFDUΛܧঝͨ͠Ϋϥεʹ͢Δඞཁ͕͋Δ
23. Ϋϥε  ⡥
    $MBTTNFUIPE
    *OD class Area { var name: String = "" } let area1 = Area() area1.name = "AAAA" let area2 = area1 area2.name = "BBBB" let area3 = area1 area3.name = "CCCC" area1.name // CCCC area2.name // CCCC area3.name // CCCC
24. Ϋϥε  ⡥
    $MBTTNFUIPE
    *OD struct Area { var name: String mutating func set(name: String) { self.name = name } } let area1 = Area(name: "AAAA") var area2 = area1 area2.set(name: "BBBB") var area3 = area1 area3.set(name: "CCCC") area1.name // AAAA area2.name // BBBB area3.name // CCCC
25. &OVN w &OVN
    w ୈҰڃΦϒδΣΫτʢpSTUDMBTT
    UZQFʣ
    w &JUIFSͷΑ͏ͳ࢖͍ํ͕Ͱ͖Δ
    w 3BX7BMVFʢ4USJOH
    
    *OU
    
    'MPBUʣͰఆٛͰ͖Δ
    w ಠࣗͷϝιουΛఆٛͰ͖Δ  ⡥
    $MBTTNFUIPE
    *OD
26. &OVN  ⡥
    $MBTTNFUIPE
    *OD enum PeachBoySlave: Int { case Dog case Monkey case Bird } print(PeachBoySlave.Bird.rawValue) // 2 w 3BX7BMVF
    *OU
27. &OVN  ⡥
    $MBTTNFUIPE
    *OD enum PeachBoySlave: String { case Dog = "Dog" case Monkey = "Monkey" case Bird = "Bird" } print(PeachBoySlave.Bird.rawValue) // Bird w 3BX7BMVF
    4USJOH
28. &OVN  ⡥
    $MBTTNFUIPE
    *OD enum PeachBoySlave: String { case Dog case Monkey case Bird enum Actor { case Grandpa case Grandma } } w ωετͯ͠ఆٛ͢Δ͜ͱ΋Ͱ͖Δ
29. &OVN  ⡥
    $MBTTNFUIPE
    *OD enum PeachBoyEnemy { case Oni case Boss func encount() { print("Enemy") } } w ಠࣗϝιουͷఆٛ
30. &OVN  ⡥
    $MBTTNFUIPE
    *OD w ܭࢉܕϓϩύςΟͷఆٛ enum PeachBoyEnemy { case Oni case Boss … var count: Int { switch self { case Oni: return 10 case Boss: return 1 } } }
31. &OVN  ⡥
    $MBTTNFUIPE
    *OD w ֨ೲܕϓϩύςΟ͸ఆٛͰ͖ͳ͍ enum PeachBoyEnemy { case Oni case Boss … var power: Int = 10 }
32. 0QUJPOBM w 0QUJPOBM
    w OJM͔ɺ஋͕͋Δ͔Λѻ͏
    w OJMΛऔΓಘΔ஋Λ҆શʹΞΫηε͢ΔػߏΛఏڙ͢Δ
    w 0CKFDUJWF$Ͱར༻͢Δ৔߹͸ɺ@/VMMBCMF΍@/POOVMMΛ
 ࢦఆ͢Δඞཁ͕͋Δ  ⡥
    $MBTTNFUIPE
    *OD
33. 0QUJPOBM  ⡥
    $MBTTNFUIPE
    *OD public enum Optional<Wrapped> : ExpressibleByNilLiteral w 0QUJPOBM͸&OVNͰఆٛ͞Ε͍ͯΔ let value: Optional<Int> = 10
34. 0QUJPOBM w γϯλοΫεγϡΨʔΛ׆༻͢Δ  ⡥
    $MBTTNFUIPE
    *OD let value: Int? = 10 let value: Optional<Int> = 10
35. 0QUJPOBM w 0QUJPOBM͕OJMʢDBTF
    OPOFʣͷঢ়ଶͷ࣌ʹ
 ΞΫηε͢ΔͱΫϥογϡ͢Δ  ⡥
    $MBTTNFUIPE
    *OD values.append("aaaa") // crash!! var values: [String]?
36. 0QUJPOBM w JG
    MFUઅΛ༻͍Δ͜ͱͰ҆શʹ0QUJPOBMͷΞϯϥοϓ Λߦ͑Δ  ⡥
    $MBTTNFUIPE
    *OD if let unwrapValue = value { print(unwrapValue) // 10 } let value: Int? = 10
37. 0QUJPOBM w HVBSEઅΛ༻͍ͯܖ໿ϓϩάϥϛϯάΛߦ͏  ⡥
    $MBTTNFUIPE
    *OD guard let unwrapValue = value else { return } unwrapValue // 10 let value: Int? = 10 guard let unwrapValue = value, unwrapValue < 10 else { return }
38. 0QUJPOBM w ʮ ʯ͸ΞϯϥοϓΛࢼΈΔ
    w 0QUJPOBM
    $IBJOJOH
    ͱݺ͹ΕΔ
    w ΞϯϥοϓͰ͖ͳ͍ࡍ͸ແࢹ͞ΕΔ  ⡥
    $MBTTNFUIPE
    *OD values?.append("aaaa") // ignore var values: [String]?
39. 0QUJPOBM w ʮʯ͸ڧ੍ΞϯϥοϓΛࢼΈΔ
    w ΞϯϥοϓͰ͖ͳ͍৔߹͸Ϋϥογϡ͢Δ  ⡥
    $MBTTNFUIPE
    *OD values!.append("aaaa") // crash!! var values: [String]?
40. 0QUJPOBM w ۜͷ஄ؙͰ͸ͳ͍
    w 0QUJPOBMΛېس͢Δ͋·ΓɺࢥΘ͵ͱ͜ΖͰ
 όάΛຒΊࠐΉՄೳ΋͋Δ  ⡥
    $MBTTNFUIPE
    *OD let results = values ?? [] var values: [String]?
41. (FOFSJDT w ॊೈʹ࠶ར༻Մೳͳܕ΍ؔ਺Λఆٛ͢Δ  ⡥
    $MBTTNFUIPE
    *OD class List<Element> { private var elements = [Element]() func append(element: Element) { elements.append(element) } } let intList = List<Int>() intList.append(element: 1) // [1] intList.append(element: 2) // [1, 2] let stringList = List<String>() stringList.append(element: "AAAA") // ["AAAA"] stringList.append(element: "BBBB") // ["AAAA", "BBBB"]
42. (FOFSJDT w &OVNʹ΋(FOFSJDTΛఆٛ͢Δ͜ͱ͕Ͱ͖Δ
    w 3FTVMUܕ͕ྑ͍ྫ  ⡥
    $MBTTNFUIPE
    *OD public enum Result<Value, Error: ErrorType> { case Success(Value) case Failure(Error) } func result(with code: Int?) -> Result<Int, NSError> { guard let unwrapedCode = code else { let error = NSError( domain: "MyApp", code: 0, userInfo: nil)) return .Failure(error) ɹɹ } return .Success(unwrapedCode) }
43. (FOFSJDT  ⡥
    $MBTTNFUIPE
    *OD Alamofire.request( Router.ItemSearch(parameters)) .responseJSON { response in switch response.result { case .Success(let value) : let json = JSON(value) items = results.keys.map { Item(json: results[$0]!) } case .Failure(let error) : print("error: \(error)") } }
44. $MPTVSF w $MPTVSF
    w 0CKFDUJWF$ʹ͓͚Δ#MPDLT
    w ίʔϧόοΫॲཧ౳Λ؆ܿʹهड़Ͱ͖Δ  ⡥
    $MBTTNFUIPE
    *OD
45. $MPTVSF w ίʔϧόοΫॲཧͷఆٛ  ⡥
    $MBTTNFUIPE
    *OD class Object { var handler: ((String) -> Void)? init(handler: ((String) -> Void)?) { self.handler = handler } func didReceive(message: String) { handler?(message) } }
46. $MPTVSF w ίʔϧόοΫॲཧͷఆٛ  ⡥
    $MBTTNFUIPE
    *OD let obj = Object { message in print(message) // Hello World!! } … obj.didReceive(message: "Hello World!!")
47. $MPTVSF w UZQFBMJBTͰએݴ͢Δ͜ͱͰϝϯςφϯεੑΛ޲্  ⡥
    $MBTTNFUIPE
    *OD class Object { typealias ReceiveHandler = ((String) -> Void) var handler: ReceiveHandler? init(handler: ReceiveHandler?) { self.handler = handler } func didReceive(message: String) { handler?(message) } }
48. $MPTVSF w TFMGͷࢀরʹ஫ҙ
    w $MPVTVSFͰTFMGͷύϥϝʔλʹΞΫηε͢Δ࣌ɺVOPXOFEɺ ΋͘͠͸XFBLΛࢦఆ͠ͳ͍৔߹͸ڧࢀর͞ΕΔͨΊɺ॥؀ࢀ রΛҾ͖ى͜͢
    w $MPTVSF࣮ߦ࣌ʹTFMG͕OJMͷՄೳੑ͕͋Δ৔߹͸
 VOPXOFEɺ΋͘͠͸XFBLΛࢦఆ͢Δ
  ⡥
    $MBTTNFUIPE
    *OD
49. $MPTVSF w TFMGͷࢀরʹ஫ҙ
    w TFMG͕OJMʹͳΔՄೳੑ͕ͳ͍৔߹͸VOPXOFEΛࢦఆ͢Δ
    w TFMG͕OJMͷ৔߹͸Ϋϥογϡ͢Δ
  ⡥
    $MBTTNFUIPE
    *OD let obj = Object { [unowned self] message in self.receiveMessage = message }
50. $MPTVSF w TFMGͷࢀরʹ஫ҙ
    w TFMG͕OJMʹͳΔՄೳੑ͕͋Δ৔߹͸XFBLΛࢦఆ͢Δ
    w ΞϯϥοϓॲཧΛهࡌ͢Δඞཁ͕͋Δ
  ⡥
    $MBTTNFUIPE
    *OD let obj = Object { [weak self] message in self?.receiveMessage = message } let obj = Object { [weak self] message in guard let weakSelf = self else { return } weakSelf.receiveMessage = message }
51. 1SPUPDPM w 1SPUPDPM
    w Ϋϥεʹରͯ͠ػೳΛ௥Ճ͍ͯ͘͠
    w ৼΔ෣͍Λఆٛ͢Δ
    w ΤϯίʔυͰ͖Δ
    
    σίʔυͰ͖Δ
    
    දࣔͰ͖Δ
    ʜ
    FUD  ⡥
    $MBTTNFUIPE
    *OD IUUQTEFWFMPQFSBQQMFDPNWJEFPTQMBZXXED 1SPUPDPM0SJFOUFE
    1SPHSBNNJOH
    JO
    4XJGU
52. 1SPUPDPM w ৼΔ෣͍ʢϝιουʣΛఆٛ͠ɺඞཁʹԠͯ͡
 ֦ு͢Δ͜ͱͰॊೈͳઃܭ͕Մೳ  ⡥
    $MBTTNFUIPE
    *OD protocol Showable { func show() } class Object: Showable { func show() { print("Show") } }
53. 1SPUPDPM  ⡥
    $MBTTNFUIPE
    *OD protocol Showable { func show() } protocol Decodable { func decode() } class Object: Showable, Decodable { func show() { print("Show") } func decode() { print("decode") } }
54. 1SPUPDPM w BTTPDJBUFEUZQFͰ1SPUPDPMͰ࢖͏ܕͷ
 ϓϨʔεϗϧμʔΛએݴ͢Δ͜ͱͰ൚༻ੑΛ࣋ͨͤΔ  ⡥
    $MBTTNFUIPE
    *OD protocol Response { associatedtype ResponseType func receive(response: ResponseType) } class Object: Response { typealias ResponseType = [String : Any] func receive(response: ResponseType) { print(response) } }
55. &YUFOTJPO w &YUFOTJPO
    w ఆٛΛ֦ு࣮ͨ͠૷ʢσϑΥϧτ࣮૷ʣ
    w 0CKFDUJWF$ʹ΋ΧςΰϦͱ͍͏ܗͰࣅͨΑ͏ͳػೳ͕
 ఏڙ͞Ε͍ͯͨ  ⡥
    $MBTTNFUIPE
    *OD
56. &YUFOTJPO w &YUFOTJPO  ⡥
    $MBTTNFUIPE
    *OD class Object { } extension Object { func receive() { print("receive") } }
57. 1SPUPDPM
    &YUFOTJPO w ܕ੍໿
    w ܕ੍໿Λ͚ͭΔ͜ͱͰద༻ൣғΛݶఆ͢Δ  ⡥
    $MBTTNFUIPE
    *OD protocol Encodable { func encode() } extension Encodable where Self: Object1 { func encode() { print("encode1") } } extension Encodable where Self: Object2 { func encode() { print("encode2") } }
58. NBQ
    
    qBUNBQ w Ϟμϯͳؔ਺܈
    w NBQ
    w qBUNBQ
    w pMUFS
    w SFEVDF  ⡥
    $MBTTNFUIPE
    *OD
59. NBQ
    
    qBUNBQ w 4FRVFODF  ⡥
    $MBTTNFUIPE
    *OD enum PokemonType: String { case Grass = "Grass" case Water = "Water" case Fire = "Fire" case Electric = "Electric" } let type1 = PokemonType(rawValue: "Grass") // PokemonType.Grass let type2 = PokemonType(rawValue: "Evil") // nil
60. NBQ
    
    qBUNBQ w 4FRVFODF
    w NBQͷద༻  ⡥
    $MBTTNFUIPE
    *OD let types = ["Grass", "Water", "Fire", "Electric"] let pokemonTypes = types.map { PokemonType(rawValue: $0) } [Optional(PokemonType.Grass), Optional(PokemonType.Water), Optional(PokemonType.Fire), Optional(PokemonType.Electric)]
61. NBQ
    
    qBUNBQ w 4FRVFODF
    w NBQͷద༻  ⡥
    $MBTTNFUIPE
    *OD let types = ["Grass", "Water", "Fire", "Ice"] let pokemonTypes = types.map { PokemonType(rawValue: $0) } [Optional(PokemonType.Grass), Optional(PokemonType.Water), Optional(PokemonType.Fire), nil]
62. NBQ
    
    qBUNBQ w 4FRVFODF
    w qBUNBQͷద༻  ⡥
    $MBTTNFUIPE
    *OD let types = ["Grass", "Water", "Fire", "Electric"] let pokemonTypes = types.flatMap { PokemonType(rawValue: $0) } [PokemonType.Grass, PokemonType.Water, PokemonType.Fire, PokemonType.Electric]
63. NBQ
    
    qBUNBQ w 4FRVFODF
    w qBUNBQͷద༻  ⡥
    $MBTTNFUIPE
    *OD let types = ["Grass", "Water", "Fire", "Ice"] let pokemonTypes = types.flatMap { PokemonType(rawValue: $0) } [PokemonType.Grass, PokemonType.Water, PokemonType.Fire]
64. NBQ
    
    qBUNBQ w $PMMFDUJPO
    w NBQͷద༻  ⡥
    $MBTTNFUIPE
    *OD let types1 = ["Electric", "Electric", "Fire"] let types2 = ["Water", "Ice"] let types3 = ["Fire", "Grass", "Rock", "Grass"] let types = [types1, types2, types3].map { $0 } [["Electric", "Electric", "Fire"], ["Water", "Ice"], ["Fire", "Grass", "Rock", "Grass"]]
65. NBQ
    
    qBUNBQ w $PMMFDUJPO
    w qBUNBQͷద༻  ⡥
    $MBTTNFUIPE
    *OD let types1 = ["Electric", "Electric", "Fire"] let types2 = ["Water", "Ice"] let types3 = ["Fire", "Grass", "Rock", "Grass"] let types = [types1, types2, types3].flatMap { $0 } ["Electric", "Electric", "Fire", "Water", "Ice", "Fire", "Grass", "Rock", "Grass"]
66. NBQ
    
    qBUNBQ w $PMMFDUJPO
    w qBUNBQͷద༻  ⡥
    $MBTTNFUIPE
    *OD let types1 = ["Electric", "Electric", "Fire"] let types2 = ["Water", "Ice"] let types3 = ["Fire", "Grass", "Rock", "Grass"] let types = [types1, types2, types3].flatMap { $0 }. flatMap { PokemonType(rawValue: $0) } [PokemonType.Electric, PokemonType.Electric, PokemonType.Fire, PokemonType.Water, PokemonType.Fire, PokemonType.Grass, PokemonType.Grass]
67. NBQ
    
    qBUNBQ w 0QUJPOBM
    w NBQͷద༻  ⡥
    $MBTTNFUIPE
    *OD let value: String? = "Fire" let value1 = value.map { PokemonType(rawValue: $0) } Optional(Optional(PokemonType.Fire))
68. NBQ
    
    qBUNBQ w 0QUJPOBM
    w qBUNBQͷద༻  ⡥
    $MBTTNFUIPE
    *OD let value: String? = "Fire" let value1 = value.flatMap { PokemonType(rawValue: $0) } Optional(PokemonType.Fire)
69. NBQ
    
    qBUNBQ w 0QUJPOBM
    w 0QUJPOBM΁ͷΞΫηεΛߦ͏  ⡥
    $MBTTNFUIPE
    *OD let type = PokemonType(rawValue: "Water") let changedType = type.map { type -> PokemonType in switch type { case .Water: return PokemonType.Electric default: return type } }
70. NBQ
    
    qBUNBQ w 0QUJPOBM
    w 0QUJPOBMಉ࢜ͷܭࢉ  ⡥
    $MBTTNFUIPE
    *OD let value1: Int? = 10 let value2: Int? = 20 let value = value1.flatMap { v1 in value2.map { v2 in v1 + v2 } } Optional(30)
71. NBQ
    
    qBUNBQ w 0QUJPOBM
    w 0QUJPOBMಉ࢜ͷܭࢉ  ⡥
    $MBTTNFUIPE
    *OD let value1: Int? = 10 let value2: Int? = 20 let value3: Int? = 30 let value = value1.flatMap { v1 in value2.flatMap { v2 in value3.map { v3 in v1 + v2 + v3 } } } Optional(60)
72. NBQ
    
    qBUNBQ w 0QUJPOBM
    w 0QUJPOBMಉ࢜ͷܭࢉ  ⡥
    $MBTTNFUIPE
    *OD let value1: Int? = 10 let value2: Int? = 20 let value3: Int? = 30 let value4: Int? = 40 let value = value1.flatMap { v1 in value2.flatMap { v2 in value3.flatMap { v3 in value4.map { v4 in v1 + v2 + v3 + v4 } } } } Optional(100)
73. NBQ
    
    qBUNBQ w 0QUJPOBM
    w 0QUJPOBMಉ࢜ͷܭࢉ
    w GPS͕ཉ͍͠ʜ
    w "QQMJDBUJWF
    4UZMFΛࢼ͢ͱ͍͏ख΋͋Δ
    w $VSSZ
    
    3VOFT  ⡥
    $MBTTNFUIPE
    *OD
74. NBQ
    
    qBUNBQ  ⡥
    $MBTTNFUIPE
    *OD let a: Int? = 10 let b: Int? = 20 let c: Int? = 30 let value = curry(+) <^> a <*> b <*> c w 0QUJPOBM
    w "QQMJDBUJWF
    4UZMF
75. 4XJGUͷΤίγεςϜ 
76. 4XJGUͷϥΠϒϥϦ؅ཧ w $PDPB1PET
    w $BSUIBHF
    w 4XJGU
    1BDLBHF
    .BOBHFS  ⡥
    $MBTTNFUIPE
    *OD
77. ར༻͢ΔϥΠϒϥϦ 
78. ௨৴ϥΠϒϥϦ w "MBNPpSF
    w /463-4FTTJPOΛ༻͍ͨ௨৴ϥΠϒϥϦ
    w *1WରԠ
    w )551ରԠ  ⡥
    $MBTTNFUIPE
    *OD
79. ը૾औಘ w "MBNPpSF*NBHF
    w ඇಉظ௨৴ը૾औಘϥΠϒϥϦ  ⡥
    $MBTTNFUIPE
    *OD imageView.af_setImageWithURL(url) { response in switch response.result { case .Success: imageEmptyView.hidden = true default: () } }
80. ඇಉظॲཧ w #SJHIU'VUVSFT
    w ඇಉظॲཧϑϨʔϜϫʔΫ
    w 'VUVSF
    
    1SPNJTFύλʔϯΛ4XJGUͰ΋ద༻͢Δ  ⡥
    $MBTTNFUIPE
    *OD IUUQTHJUIVCDPN5IPNWJT#SJHIU'VUVSFT <4XJGU>
    ඇಉظॲཧϑϨʔϜϫʔΫ #SJHIU'VUVSFT
    dಋೖฤd
81. ඇಉظॲཧ w #SJHIU'VUVSFT  ⡥
    $MBTTNFUIPE
    *OD public func read<MO: NSManagedObject>(keyForId: String, valueForId: AnyObject) -> Future<MO, NSError> { let promise = Promise<MO, NSError>() dispatch_async(persistenceQueue) { [unowned self] in let context = NSManagedObjectContext.defaultContext() let previousRecord = MO.MR_findFirstByAttribute( keyForId, withValue: valueForId, inContext: context) dispatch_async(self.callbackQueue) { if let record = previousRecord { promise.success(record) } else { promise.failure(PersistenceServiceNotFoundError) } } } return promise.future }
82. ඇಉظॲཧ w #SJHIU'VUVSFT  ⡥
    $MBTTNFUIPE
    *OD presenter.read<User>( keyForId: "name", valueForId: "Tanaka").onSuccess { [weak self] user in self?.update(user: user) }.onFailure { [weak self] error in self?.showFailedAlertWithError(error) } }
83. ͜Ε͔Βͷ4XJGU 
84. ͜Ε͔Βͷ4XJGU w 7FSTJPO
    
    ରԠ
    w ίϯύΠϥͱͷ෇͖߹͍ํ  ⡥
    $MBTTNFUIPE
    *OD
85. 7FSTJPO
    ରԠ w ഁյతͳมߋ
    w /4
    QSFpY͔Βͷ୤٫
    w શ෦ϦϓϨΠε͞Ε͍ͯΔΘ͚Ͱ͸ͳ͍ʜ
    w "1*
    %FTJHOͷมߋ
    w ϝιουͷҾ਺ͷϥϕϧͷࢦఆ͕มߋ
    w Yܥͱͷޓ׵ੑ͸ແ͍
    w 9DPEF
    Ͱ͕௥Ճ͞Ε͕ͨɺ
 ࣍ͷόʔδϣϯͰ͸%FQMJDBUFEʹͳΔ
  ⡥
    $MBTTNFUIPE
    *OD
86. ίϯύΠϥͱͷ෇͖߹͍ํ w ίϯύΠϥʹ༏͘͠
    w ෳࡶͳ֊૚Λ࣋ͭ%JDUJPOBSZΛఆٛ͠ͳ͍
    w ෳࡶͳϝιουνΣΠϯ͸ߦΘͳ͍  ⡥
    $MBTTNFUIPE
    *OD
87. 7FSTJPO
    ରԠ w 7FSTJPO
    ͰରԠͰ͖ͳ͔ͬͨػೳ͕੝Γࠐ·ΕΔ
    w "#*ͷ҆ఆԽ͕ߦΘΕΔ
    w ࠓ౓ͦ͜ɺɺɺຊ౰ʹɺɺɺ  ⡥
    $MBTTNFUIPE
    *OD
88. ·ͱΊ  ⡥
    $MBTTNFUIPE
    *OD w 0CKFDUJWF$ͱൺ΂ͯϞμϯͳݴޠΛ
 ໨ࢦ͍ͯ͠Δ͕ɺ·ͩ·ͩൃల్্
    w 7FSTJPO
    ͷมߋ͸ഁյతͰ͸͋Δ͕ɺ
 ࠓͷ͏ͪʹ௥ਵ͓͔ͯ͠ͳ͍ͱෛͷҨ࢈ʹͳΔ
    w ৽ͨͳػೳΛֶͿ͜ͱͰɺॊೈͳઃܭΛ
 औΓೖΕΔ͜ͱ͕Ͱ͖Δ
89. %FWFMPQFST*0
     ͝੩ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠ɻ
    εϥΠυ͸ޙ೔ϒϩάͰެ։͠·͢ɻ  " ⡥
    $MBTTNFUIPE
    *OD #cmdevio