TCAの Shared Stateってどういう仕組みになってんの？

by yimajo

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@ObservableState struct State { @Shared(.appStorage(“count”)) var count: Int } @ObservableState struct State { @Shared(.inMemory(“text")) var text: String ɹ @Shared(.appStorage(“count”)) var count: Int } ˏPropertyWrapper struct Shared { let reference: any Reference public init( _ persistenceKey: some PersistenceKey, … ) { … @Dependency( PersistentReferencesKey.self ) var references … } … 5IF$PNQPTBCMF"SDIJUFDUVSF TIBSFETUBUFCFUB

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@ObservableState struct State { @Shared(.appStorage(“count”)) var count: Int } @ObservableState struct State { @Shared(.inMemory(“text")) var text: String ɹ @Shared(.appStorage(“count”)) var count: Int } ˏPropertyWrapper struct Shared { let reference: any Reference public init( _ persistenceKey: some PersistenceKey, … ) { … @Dependency( PersistentReferencesKey.self ) var references … } … 5IF$PNQPTBCMF"SDIJUFDUVSF TIBSFETUBUFCFUB

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@ObservableState struct State { @Shared(.appStorage(“count”)) var count: Int } @ObservableState struct State { @Shared(.inMemory(“text")) var text: String ɹ @Shared(.appStorage(“count”)) var count: Int } "OZ)BTIBCMF 3FGFSFODF JO.FNPSZ lUFYUz BQQ4UPSFHF lDPVOUz ࢀরڞ༗ LockIsolated<[AnyHashable: any Reference]> class ValueReference: Reference { var persistenceKey : (any PersistenceKey)? … } 0CTFSWBUJPO QFSDFQUJPO ˏPropertyWrapper struct Shared { let reference: any Reference public init( _ persistenceKey: some PersistenceKey, … ) { … @Dependency( PersistentReferencesKey.self ) var references … } … 5IF$PNQPTBCMF"SDIJUFDUVSF TIBSFETUBUFCFUB

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@ObservableState struct State { @Shared(.appStorage(“count”)) var count: Int } @ObservableState struct State { @Shared(.inMemory(“text")) var text: String ɹ @Shared(.appStorage(“count”)) var count: Int } "OZ)BTIBCMF 3FGFSFODF JO.FNPSZ lUFYUz BQQ4UPSFHF lDPVOUz ࢀরڞ༗ LockIsolated<[AnyHashable: any Reference]> class ValueReference: Reference { var persistenceKey : (any PersistenceKey)? … } 0CTFSWBUJPO QFSDFQUJPO ˏPropertyWrapper struct Shared { let reference: any Reference public init( _ persistenceKey: some PersistenceKey, … ) { … @Dependency( PersistentReferencesKey.self ) var references … } … 5IF$PNQPTBCMF"SDIJUFDUVSF TIBSFETUBUFCFUB

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@ObservableState struct State { @Shared(.appStorage(“count”)) var count: Int } @ObservableState struct State { @Shared(.inMemory(“text")) var text: String ɹ @Shared(.appStorage(“count”)) var count: Int } "OZ)BTIBCMF 3FGFSFODF JO.FNPSZ lUFYUz BQQ4UPSFHF lDPVOUz ࢀরڞ༗ LockIsolated<[AnyHashable: any Reference]> class ValueReference: Reference { var persistenceKey : (any PersistenceKey)? … } 0CTFSWBUJPO QFSDFQUJPO ˏPropertyWrapper struct Shared { let reference: any Reference public init( _ persistenceKey: some PersistenceKey, … ) { … @Dependency( PersistentReferencesKey.self ) var references … } … 5IF$PNQPTBCMF"SDIJUFDUVSF TIBSFETUBUFCFUB struct InMemoryKey: PersistenceKey 1FSTJTUFODF,FZ४ڌࡾॐ࢜Λ࿈Ε͖ͯͨΑ struct AppStorageKey: PersistenceKey struct FileStorageKey: PersistenceKey

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@ObservableState struct State { @Shared(.appStorage(“count”)) var count: Int } @ObservableState struct State { @Shared(.inMemory(“text")) var text: String ɹ @Shared(.appStorage(“count”)) var count: Int } "OZ)BTIBCMF 3FGFSFODF JO.FNPSZ lUFYUz BQQ4UPSFHF lDPVOUz ࢀরڞ༗ LockIsolated<[AnyHashable: any Reference]> class ValueReference: Reference { var persistenceKey : (any PersistenceKey)? … } 0CTFSWBUJPO QFSDFQUJPO ˏPropertyWrapper struct Shared { let reference: any Reference public init( _ persistenceKey: some PersistenceKey, … ) { … @Dependency( PersistentReferencesKey.self ) var references … } … 5IF$PNQPTBCMF"SDIJUFDUVSF TIBSFETUBUFCFUB struct InMemoryKey: PersistenceKey 1FSTJTUFODF,FZ४ڌࡾॐ࢜Λ࿈Ε͖ͯͨΑ struct AppStorageKey: PersistenceKey struct FileStorageKey: PersistenceKey

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@ObservableState struct State { @Shared(.appStorage(“count”)) var count: Int } @ObservableState struct State { @Shared(.inMemory(“text")) var text: String ɹ @Shared(.appStorage(“count”)) var count: Int } "OZ)BTIBCMF 3FGFSFODF JO.FNPSZ lUFYUz BQQ4UPSFHF lDPVOUz ࢀরڞ༗ LockIsolated<[AnyHashable: any Reference]> class ValueReference: Reference { var persistenceKey : (any PersistenceKey)? … } 0CTFSWBUJPO QFSDFQUJPO ˏPropertyWrapper struct Shared { let reference: any Reference public init( _ persistenceKey: some PersistenceKey, … ) { … @Dependency( PersistentReferencesKey.self ) var references … } … 5IF$PNQPTBCMF"SDIJUFDUVSF TIBSFETUBUFCFUB struct InMemoryKey: PersistenceKey 1FSTJTUFODF,FZ४ڌࡾॐ࢜Λ࿈Ε͖ͯͨΑ struct AppStorageKey: PersistenceKey struct FileStorageKey: PersistenceKey protocol PersistenceKey { func load(…) -> Value? func save(_ value: Value) func subscribe( … ) }

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