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Α͋͘Δ࣮૷ // Model class User { … } API.fetchUser(id: id) { (user: User) in NSNotificationCenter.defaultCenter() .postNotificationName( "DidUserReceivedNotification", object: nil, userInfo: ["user": user]) } // View NSNotificationCenter.defaultCenter().addObserverForName( "DidUserReceivedNotification", object: nil, queue: NSOperationQueue.mainQueue(), usingBlock: { [weak self] (n: NSNotification) in guard let user = n.userInfo?["user"] as? User else { return } self?.reload(user) })

Α͋͘Δ࣮૷ // Model class User { … } API.fetchUser(id: id) { (user: User) in NSNotificationCenter.defaultCenter() .postNotificationName( "DidUserReceivedNotification", object: nil, userInfo: ["user": user]) } // View NSNotificationCenter.defaultCenter().addObserverForName( "DidUserReceivedNotification", object: nil, queue: NSOperationQueue.mainQueue(), usingBlock: { [weak self] (n: NSNotification) in guard let user = n.userInfo?["user"] as? User else { return } self?.reload(user) }) DMBTT6TFS͕͋Γ·ͯ͠ɺ

Α͋͘Δ࣮૷ // Model class User { … } API.fetchUser(id: id) { (user: User) in NSNotificationCenter.defaultCenter() .postNotificationName( "DidUserReceivedNotification", object: nil, userInfo: ["user": user]) } // View NSNotificationCenter.defaultCenter().addObserverForName( "DidUserReceivedNotification", object: nil, queue: NSOperationQueue.mainQueue(), usingBlock: { [weak self] (n: NSNotification) in guard let user = n.userInfo?["user"] as? User else { return } self?.reload(user) }) "1*͔Β 6TFSΛऔಘͨ͠Βʜ

Α͋͘Δ࣮૷ // Model class User { … } API.fetchUser(id: id) { (user: User) in NSNotificationCenter.defaultCenter() .postNotificationName( "DidUserReceivedNotification", object: nil, userInfo: ["user": user]) } // View NSNotificationCenter.defaultCenter().addObserverForName( "DidUserReceivedNotification", object: nil, queue: NSOperationQueue.mainQueue(), usingBlock: { [weak self] (n: NSNotification) in guard let user = n.userInfo?["user"] as? User else { return } self?.reload(user) }) %JDUJPOBSZʹแΜͰ /PUJpDBUJPOͷVTFS*OGPʹ LFZࢦఆͯ͠ೖΕͯʜ

Α͋͘Δ࣮૷ // Model class User { … } API.fetchUser(id: id) { (user: User) in NSNotificationCenter.defaultCenter() .postNotificationName( "DidUserReceivedNotification", object: nil, userInfo: ["user": user]) } // View NSNotificationCenter.defaultCenter().addObserverForName( "DidUserReceivedNotification", object: nil, queue: NSOperationQueue.mainQueue(), usingBlock: { [weak self] (n: NSNotification) in guard let user = n.userInfo?["user"] as? User else { return } self?.reload(user) }) ͍ͦ͒

Α͋͘Δ࣮૷ // Model class User { … } API.fetchUser(id: id) { (user: User) in NSNotificationCenter.defaultCenter() .postNotificationName( "DidUserReceivedNotification", object: nil, userInfo: ["user": user]) } // View NSNotificationCenter.defaultCenter().addObserverForName( "DidUserReceivedNotification", object: nil, queue: NSOperationQueue.mainQueue(), usingBlock: { [weak self] (n: NSNotification) in guard let user = n.userInfo?["user"] as? User else { return } self?.reload(user) }) 7JFXͰ /PUJpDBUJPOΛ ड͚ͨΒʜ

Α͋͘Δ࣮૷ // Model class User { … } API.fetchUser(id: id) { (user: User) in NSNotificationCenter.defaultCenter() .postNotificationName( "DidUserReceivedNotification", object: nil, userInfo: ["user": user]) } // View NSNotificationCenter.defaultCenter().addObserverForName( "DidUserReceivedNotification", object: nil, queue: NSOperationQueue.mainQueue(), usingBlock: { [weak self] (n: NSNotification) in guard let user = n.userInfo?["user"] as? User else { return } self?.reload(user) }) VTFS*OGP͔Β LFZࢦఆͯ͠ 6TFSΛऔΓग़ͯ͠

Α͋͘Δ࣮૷ // Model class User { … } API.fetchUser(id: id) { (user: User) in NSNotificationCenter.defaultCenter() .postNotificationName( "DidUserReceivedNotification", object: nil, userInfo: ["user": user]) } // View NSNotificationCenter.defaultCenter().addObserverForName( "DidUserReceivedNotification", object: nil, queue: NSOperationQueue.mainQueue(), usingBlock: { [weak self] (n: NSNotification) in guard let user = n.userInfo?["user"] as? User else { return } self?.reload(user) }) SFMPBE VTFS Ͱ 7JFXΛߋ৽͠·͢

/4/PUJpDBUJPOͷͩΔ͍ͱ͜ // Model class User { … } API.fetchUser(id: id) { (user: User) in NSNotificationCenter.defaultCenter() .postNotificationName( "DidUserReceivedNotification", object: nil, userInfo: ["user": user]) } // View NSNotificationCenter.defaultCenter().addObserverForName( "DidUserReceivedNotification", object: nil, queue: NSOperationQueue.mainQueue(), usingBlock: { [weak self] (n: NSNotification) in guard let user = n.userInfo?["user"] as? User else { return } self?.reload(user) }) /4/PUJpDBUJPO$FOUFSͷ
 هड़͕৑௕ VTFS*OGPͷ%JDUJPOBSZ,FZʹ
 ΦϨΦϨ,FZΛ࢖Θ͟ΔΛಘͳ͍
 ɹϦςϥϧͰVTFSͱ͔ॻ͖ͨ͘ͳ͍ʜ

গ͠୤ઢ͠·͕͢ʜ 4XJGUͰ͸ ࢀরܕΑΓ஋ܕΛ࢖͓͏ͥʂ ͱΑ͘ݴΘΕ·͢

஋ܕͷ͍͍ͱ͜ جຊతʹJNNVUBCMFͰঢ়ଶΛ࣋ͨͳ͍ ࢀরΧ΢ϯτΛߟ͑Δඞཁ͕ͳ͍ ܧঝΛߟ͑ͳ͍͍ͯ͘ ڞ௨͢ΔৼΔ෣͍͸
 QSPUPDPMͰهड़͢Δ΄͏͕4XJGUZ

͡Ό͋ ͜ͷίʔυͷ6TFSDMBTT΋ ஋ܕʹ͠Α͏ T U S V D U

class User { let id: Int let name: String init(id: Int, name: String) { self.id = id self.name = name } }

struct User { let id: Int let name: String }

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public class NSNotification : NSObject, NSCopying, NSCoding { … public var userInfo: [NSObject : AnyObject]? { get } VTFS*OGP͸40CKFDU"OZ0CKFDU> ܕ "OZ0CKFDU͸DMBTT͔͠ड͚ೖΕͳ͍ ͭ·Γɺ
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 த਎ͱͯ͠࢖͑ͳ͍

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 6TFSͷTUSVDUԽ͸ ఘΊΔ͔͠ͳ͍ͷ͔ʜ

͍͍͑ɺఘΊͳ͍Ͱʜʂ ͋͞ɺTUSVDUΛ DMBTTͰϥοϓ͢ΔͷͰ͢ʜʂ

struct User { let id: Int let name: String } API.fetchUser(id: id) { (user: User) in NSNotificationCenter.defaultCenter() .postNotificationName( "DidUserReceivedNotification", object: nil, userInfo: ["user": user]) } // error!! ˢ͜͜஫໨ʂ

struct User { let id: Int let name: String } class UserContainer { let user: User init(user: User) { self.user = user } } API.fetchUser(id: id) { (user: User) in NSNotificationCenter.defaultCenter() .postNotificationName( "DidUserReceivedNotification", object: nil, userInfo: ["user": UserContainer(user: user)) } TUSVDU6TFSΛ DMBTT6TFS$POUBJOFSͰแΉ͜ͱͰ "OZ0CKFDUͱͯ͠ѻ͑ΔΑ͏ʹʂ

Α͠ ͜ΕͰ͍͚Δʂ

͍͚Δʜ͚Ͳ Πέͯͳ͍ʜ class UserContainer { let user: User init(user: User) { self.user = user } }

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ष͍΋ͷʹ͸֖Ͱ͢ʜʂ ͋͞ɺΠέͯͳ͍ॲཧ͸શ෦ ϥΠϒϥϦʹԡ͠ࠐΊΔͷͰ͢ʜʂ

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͜Ε͕ʜ // Model struct User { … } class PayloadContainer { let payload: Any init(payload: Any) { self.payload = payload } } API.fetchUser(id: id) { (user: User) in NSNotificationCenter.defaultCenter() .postNotificationName( "DidUserReceivedNotification", object: nil, userInfo: ["user": PayloadContainer(payload: user)) } // View NSNotificationCenter.defaultCenter().addObserverForName( "DidUserReceivedNotification", object: nil, queue: NSOperationQueue.mainQueue(), usingBlock: { [weak self] (n: NSNotification) in guard let user = n.userInfo?["user"] as? User else { return } self?.reload(user) })

͜͏ͳΓ·͢ // Model struct User { … } API.fetchUser(id: id) { (user: User) in Notifwift.post("DidUserReceivedNotification", payload: user) } // View let notifwift = Notifwift() // property notifwift.observe("DidUserReceivedNotification") { [weak self] (payload: User) in self?.reload(payload) } QBZMPBEʹ͍ͨ͠ΠϯελϯεΛɺ ԿͰ͋Ζ͏ͱμΠϨΫτʹ౉ͤ·͢ɻ ड͚औΔ࣌΋؆୯ɾ҆શʂ ܕਪଌ͕ޮ͘ͷͰɺ QBZMPBEͷܕ͕6TFSͩͱ ࣮֬ʹอূͰ͖Δɻ ͞Βʹʜ

࠷ऴతʹ͸͜͏ͳΔ // Model struct User { … } API.fetchUser(id: id) { (user: User) in Notifwift.post("DidUserReceivedNotification", payload: user) } // View let notifwift = Notifwift() // property notifwift.observe("DidUserReceivedNotification", block: reload) 6TFS 7PJEܕͷؔ਺͔ͩΒɺ͜Ε͚ͩͰ0,

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 ࣗಈతʹSFNPWF0CTFSWFSͯ͘͠Ε·͢ɻ
 Α͋͘ΔSFNPWF0CTFSWFS๨Ε΋
 ͜ΕͰ҆৺ʂ

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