├── .gitignore
├── .mailmap
├── Info.plist
├── LICENSE.txt
├── Package.swift
├── README.md
├── Sources
    └── TSAO.swift
├── TSAO.xcodeproj
    ├── project.pbxproj
    ├── project.xcworkspace
    │   ├── contents.xcworkspacedata
    │   └── xcshareddata
    │   │   ├── IDEWorkspaceChecks.plist
    │   │   └── WorkspaceSettings.xcsettings
    └── xcshareddata
    │   └── xcschemes
    │       └── TSAO.xcscheme
├── Tests
    └── TSAOTests
    │   ├── Info.plist
    │   └── Tests.swift
└── swift-tsao.podspec


/.gitignore:
--------------------------------------------------------------------------------
1 | xcuserdata/
2 | /.build/
3 | 


--------------------------------------------------------------------------------
/.mailmap:
--------------------------------------------------------------------------------
1 | Lily Ballard <lily@sb.org> <kevin@sb.org>
2 | Lily Ballard <lily@sb.org> <kevin.ballard@postmates.com>
3 | 


--------------------------------------------------------------------------------
/Info.plist:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 3 | <plist version="1.0">
 4 | <dict>
 5 | 	<key>CFBundleDevelopmentRegion</key>
 6 | 	<string>en</string>
 7 | 	<key>CFBundleExecutable</key>
 8 | 	<string>$(EXECUTABLE_NAME)</string>
 9 | 	<key>CFBundleIdentifier</key>
10 | 	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
11 | 	<key>CFBundleInfoDictionaryVersion</key>
12 | 	<string>6.0</string>
13 | 	<key>CFBundleName</key>
14 | 	<string>$(PRODUCT_NAME)</string>
15 | 	<key>CFBundlePackageType</key>
16 | 	<string>FMWK</string>
17 | 	<key>CFBundleShortVersionString</key>
18 | 	<string>3.0.2</string>
19 | 	<key>CFBundleSignature</key>
20 | 	<string>????</string>
21 | 	<key>CFBundleVersion</key>
22 | 	<string>$(CURRENT_PROJECT_VERSION)</string>
23 | 	<key>NSPrincipalClass</key>
24 | 	<string></string>
25 | </dict>
26 | </plist>
27 | 


--------------------------------------------------------------------------------
/LICENSE.txt:
--------------------------------------------------------------------------------
 1 | Copyright (c) 2015 Lily Ballard
 2 | 
 3 | Permission is hereby granted, free of charge, to any person obtaining a copy
 4 | of this software and associated documentation files (the "Software"), to deal
 5 | in the Software without restriction, including without limitation the rights
 6 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 7 | copies of the Software, and to permit persons to whom the Software is
 8 | furnished to do so, subject to the following conditions:
 9 | 
10 | The above copyright notice and this permission notice shall be included in
11 | all copies or substantial portions of the Software.
12 | 
13 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
14 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
15 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
16 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
17 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
18 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
19 | THE SOFTWARE.
20 | 


--------------------------------------------------------------------------------
/Package.swift:
--------------------------------------------------------------------------------
1 | import PackageDescription
2 | 
3 | let package = Package(
4 |     name: "TSAO"
5 | )
6 | 


--------------------------------------------------------------------------------
/README.md:
--------------------------------------------------------------------------------
 1 | ## Type-Safe Associated Objects in Swift
 2 | 
 3 | [![Version](https://img.shields.io/badge/version-v3.0.2-blue.svg)](https://github.com/lilyball/swift-tsao/releases/latest)
 4 | ![Platforms](https://img.shields.io/badge/platforms-ios%20%7C%20osx%20%7C%20watchos%20%7C%20tvos-lightgrey.svg)
 5 | ![Languages](https://img.shields.io/badge/languages-swift%202.2-orange.svg)
 6 | [![License](https://img.shields.io/badge/license-MIT-blue.svg)](https://github.com/lilyball/swift-tsao/blob/master/LICENSE.txt)
 7 | [![Carthage compatible](https://img.shields.io/badge/Carthage-compatible-4BC51D.svg?style=flat)][Carthage]
 8 | [![CocoaPods](https://img.shields.io/cocoapods/v/swift-tsao.svg)](http://cocoadocs.org/docsets/swift-tsao)
 9 | 
10 | [Carthage]: https://github.com/carthage/carthage
11 | 
12 | TSAO is an implementation of type-safe associated objects in Swift. Objective-C
13 | associated objects are useful, but they are also untyped; every associated
14 | object is only known to be `id` at compile-time and clients must either test
15 | the class at runtime or rely on it being the expected type.
16 | 
17 | Swift allows us to do better. We can associate the value type with the key used
18 | to reference the value, and this lets us provide a strongly-typed value at
19 | compile-time with no runtime overhead¹. What's more, it allows us to store
20 | value types as associated objects, not just object types, by transparently
21 | boxing the value (although this involves a heap allocation). We can also invert
22 | the normal way associated objects work and present this type-safe adaptor using
23 | the semantics of a global map from `AnyObject` to `ValueType`.
24 | 
25 | It's also possible to specify the association policy. For all values,
26 | atomic/nonatomic retain is supported. For class values, assign is also
27 | supported. And for `NSCopying` values, atomic/nonatomic copy is supported.
28 | 
29 | To properly use this library, the `AssocMap` values you create should be static
30 | or global values (they should live for the lifetime of the program). You aren't
31 | required to follow this rule, but any `AssocMap`s you discard will end up
32 | leaking an object (this is the only way to ensure safety without a runtime
33 | penalty).
34 | 
35 | ¹ It does require a type-check, but the optimizer should in theory be able to
36 | remove this check.
37 | 
38 | ### Usage example
39 | 
40 | ```swift
41 | import TSAO
42 | 
43 | // create a new map that stores the value type Int
44 | // note how this is a global value, so it lives for the whole program
45 | let intMap = AssocMap<Int>()
46 | 
47 | // fetch the associated object from `obj` using `intMap`
48 | func lookup_int_object(obj: AnyObject) -> Int? {
49 |     // The subscript getter returns a value of type `Int?` so no casting is necessary
50 |     return intMap[obj]
51 | }
52 | 
53 | // set the associated object for `intMap` on `obj`
54 | func set_int_object(obj: AnyObject, val: Int?) {
55 |     // The subscript setter takes an `Int?` directly, trying to pass
56 |     // a value of any other type would be a compile-time error
57 |     intMap[obj] = val
58 | }
59 | 
60 | // This map stores values of type NSString with the nonatomic copy policy
61 | let strMap = AssocMap<NSString>(copyAtomic: false)
62 | 
63 | // fetch the associated object from `obj` using `strMap`
64 | func lookup_str_object(obj: AnyObject) -> NSString? {
65 |     // The subscrip getter returns a value of type `NSString?`
66 |     return strMap[obj]
67 | }
68 | 
69 | // set the associated object for `strMap` on `obj`
70 | func set_str_object(obj: AnyObject, val: NSString?) {
71 |     // The subscript setter takes an `NSString?` directly, trying to pass
72 |     // an `Int?` like we did with `intMap` would be a compile-time error
73 |     strMap[obj] = val
74 | }
75 | ```
76 | 


--------------------------------------------------------------------------------
/Sources/TSAO.swift:
--------------------------------------------------------------------------------
  1 | // Type-Safe Associated Objects
  2 | 
  3 | import Foundation
  4 | 
  5 | /// `AssocMap` represents a map from `AnyObject`s to `ValueType`, using associated
  6 | /// objects as the storage mechanism. Like associated objects, the `AnyObject`
  7 | /// value is not retained, and the `ValueType` will be destructed immediately
  8 | /// when the `AnyObject` deinits.
  9 | ///
 10 | /// Maps should be toplevel or static let-bindings. Every map that is created
 11 | /// will live forever, even if you remove all references to it, so creating maps
 12 | /// on the fly can be a memory leak. This is done to preserve the safety of the
 13 | /// associated values without a runtime penalty.
 14 | ///
 15 | /// Maps with a class value type may use the assign policy, and maps with a
 16 | /// value type that conforms to `NSCopying` may use the copy policy. Value types
 17 | /// must always use the default retain policy.
 18 | public struct AssocMap<ValueType> {
 19 |     /// Initializes an `AssocMap` with a retain policy.
 20 |     /// - Parameter atomic: Whether the policy should be atomic. Default is `false`.
 21 |     public init(atomic: Bool = false) {
 22 |         self.init(_policy: atomic ? .OBJC_ASSOCIATION_RETAIN : .OBJC_ASSOCIATION_RETAIN_NONATOMIC)
 23 |     }
 24 |     
 25 |     /// Gets or sets an associated value for a given object.
 26 |     public subscript(object: AnyObject) -> ValueType? {
 27 |         get {
 28 |             guard let value = _get(object) else { return nil }
 29 |             // use a type-check on ValueType instead of a type-check on the value
 30 |             // this way the optimizer can hopefully strip it out for us
 31 |             if ValueType.self is AnyObject.Type {
 32 |                 return unsafeBitCast(value, to: ValueType.self)
 33 |             } else {
 34 |                 let box = unsafeBitCast(value, to: _AssocValueBox<ValueType>.self)
 35 |                 return box._storage
 36 |             }
 37 |         }
 38 |         nonmutating set {
 39 |             // type-check the ValueType instead of the value to avoid obj-c bridging.
 40 |             // This way we'll match the expected boxing behavior of the getter.
 41 |             // Hopefully the optimizer will strip this out for us.
 42 |             if ValueType.self is AnyObject.Type {
 43 |                 _set(object, newValue as AnyObject?)
 44 |             } else if let v = newValue {
 45 |                 _set(object, _AssocValueBox<ValueType>(v))
 46 |             } else {
 47 |                 _set(object, nil)
 48 |             }
 49 |         }
 50 |     }
 51 | 
 52 |     fileprivate init(_policy: objc_AssociationPolicy) {
 53 |         self._policy = _policy
 54 |     }
 55 | 
 56 |     private let _policy: objc_AssociationPolicy
 57 |     private let _key: _AssocKey = _AssocKey()
 58 |     
 59 |     private func _get(_ object: AnyObject) -> AnyObject? {
 60 |         let p = Unmanaged.passUnretained(_key).toOpaque()
 61 |         return objc_getAssociatedObject(object, p) as AnyObject?
 62 |     }
 63 |     
 64 |     private func _set(_ object: AnyObject, _ value: AnyObject?) {
 65 |         let p = Unmanaged.passUnretained(_key).toOpaque()
 66 |         objc_setAssociatedObject(object, p, value, _policy)
 67 |     }
 68 | }
 69 | 
 70 | extension AssocMap where ValueType: AnyObject {
 71 |     /// Initializes an `AssocMap` with an assign policy.
 72 |     ///
 73 |     /// This looks a bit weird, but it can be invoked as `AssocMap(assign: ())`.
 74 |     public init(assign: ()) {
 75 |         self.init(_policy: .OBJC_ASSOCIATION_ASSIGN)
 76 |     }
 77 | }
 78 | 
 79 | extension AssocMap where ValueType: NSCopying {
 80 |     /// Initializes an `AssocMap` with a copy policy.
 81 |     ///
 82 |     /// - Parameter copyAtomic: Whether the policy should be atomic.
 83 |     public init(copyAtomic atomic: Bool) {
 84 |         self.init(_policy: atomic ? .OBJC_ASSOCIATION_COPY : .OBJC_ASSOCIATION_COPY_NONATOMIC)
 85 |     }
 86 | }
 87 | 
 88 | /// Helper class that is used as the identity for the associated object key.
 89 | private final class _AssocKey {
 90 |     static var allKeys: [_AssocKey] = []
 91 |     static let keyQueue: DispatchQueue = {
 92 |         if #available(OSX 10.10, *) { // NOTE: Add iOS 8.0 to this check if using this file on a project that targets iOS 7
 93 |             return DispatchQueue(label: "swift-tsao key queue", qos: .background)
 94 |         } else {
 95 |             return DispatchQueue(label: "swift-tsao key queue", target: DispatchQueue.global(priority: .background))
 96 |         }
 97 |     }()
 98 | 
 99 |     init() {
100 |         // keep us alive forever
101 |         _AssocKey.keyQueue.async {
102 |             _AssocKey.allKeys.append(self)
103 |         }
104 |     }
105 | 
106 |     deinit {
107 |         fatalError("_AssocKey should not be able to deinit")
108 |     }
109 | }
110 | 
111 | /// Helper class that wraps values for use with associated objects
112 | private final class _AssocValueBox<ValueType> {
113 |     var _storage: ValueType
114 | 
115 |     init(_ v: ValueType) {
116 |         _storage = v
117 |     }
118 | }
119 | 


--------------------------------------------------------------------------------
/TSAO.xcodeproj/project.pbxproj:
--------------------------------------------------------------------------------
  1 | // !$*UTF8*$!
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  3 | 	archiveVersion = 1;
  4 | 	classes = {
  5 | 	};
  6 | 	objectVersion = 46;
  7 | 	objects = {
  8 | 
  9 | /* Begin PBXBuildFile section */
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 20 | 			remoteGlobalIDString = 0A1A094B1C0D414C00A91E4B;
 21 | 			remoteInfo = TSAO;
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 53 | /* End PBXFrameworksBuildPhase section */
 54 | 
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 56 | 		0A1A09421C0D414C00A91E4B = {
 57 | 			isa = PBXGroup;
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 60 | 				0A1A09691C0D458300A91E4B /* LICENSE.txt */,
 61 | 				0A5E5A2420B5340200948888 /* swift-tsao.podspec */,
 62 | 				0A1A09671C0D427F00A91E4B /* TSAO.swift */,
 63 | 				0A1A094E1C0D414C00A91E4B /* Supporting Files */,
 64 | 				0A1A095A1C0D414C00A91E4B /* Tests */,
 65 | 				0A1A094D1C0D414C00A91E4B /* Products */,
 66 | 			);
 67 | 			sourceTree = "<group>";
 68 | 		};
 69 | 		0A1A094D1C0D414C00A91E4B /* Products */ = {
 70 | 			isa = PBXGroup;
 71 | 			children = (
 72 | 				0A1A094C1C0D414C00A91E4B /* TSAO.framework */,
 73 | 				0A1A09561C0D414C00A91E4B /* TSAOTests.xctest */,
 74 | 			);
 75 | 			name = Products;
 76 | 			sourceTree = "<group>";
 77 | 		};
 78 | 		0A1A094E1C0D414C00A91E4B /* Supporting Files */ = {
 79 | 			isa = PBXGroup;
 80 | 			children = (
 81 | 				0A1A09511C0D414C00A91E4B /* Info.plist */,
 82 | 			);
 83 | 			name = "Supporting Files";
 84 | 			sourceTree = "<group>";
 85 | 		};
 86 | 		0A1A095A1C0D414C00A91E4B /* Tests */ = {
 87 | 			isa = PBXGroup;
 88 | 			children = (
 89 | 				0A79B50B1E8B782400A8C727 /* TSAOTests */,
 90 | 			);
 91 | 			path = Tests;
 92 | 			sourceTree = "<group>";
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 94 | 		0A79B50B1E8B782400A8C727 /* TSAOTests */ = {
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 96 | 			children = (
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 99 | 			);
100 | 			path = TSAOTests;
101 | 			sourceTree = "<group>";
102 | 		};
103 | /* End PBXGroup section */
104 | 
105 | /* Begin PBXHeadersBuildPhase section */
106 | 		0A1A09491C0D414C00A91E4B /* Headers */ = {
107 | 			isa = PBXHeadersBuildPhase;
108 | 			buildActionMask = 2147483647;
109 | 			files = (
110 | 			);
111 | 			runOnlyForDeploymentPostprocessing = 0;
112 | 		};
113 | /* End PBXHeadersBuildPhase section */
114 | 
115 | /* Begin PBXNativeTarget section */
116 | 		0A1A094B1C0D414C00A91E4B /* TSAO */ = {
117 | 			isa = PBXNativeTarget;
118 | 			buildConfigurationList = 0A1A09601C0D414C00A91E4B /* Build configuration list for PBXNativeTarget "TSAO" */;
119 | 			buildPhases = (
120 | 				0A1A09471C0D414C00A91E4B /* Sources */,
121 | 				0A1A09481C0D414C00A91E4B /* Frameworks */,
122 | 				0A1A09491C0D414C00A91E4B /* Headers */,
123 | 				0A1A094A1C0D414C00A91E4B /* Resources */,
124 | 			);
125 | 			buildRules = (
126 | 			);
127 | 			dependencies = (
128 | 			);
129 | 			name = TSAO;
130 | 			productName = TSAO;
131 | 			productReference = 0A1A094C1C0D414C00A91E4B /* TSAO.framework */;
132 | 			productType = "com.apple.product-type.framework";
133 | 		};
134 | 		0A1A09551C0D414C00A91E4B /* TSAOTests */ = {
135 | 			isa = PBXNativeTarget;
136 | 			buildConfigurationList = 0A1A09631C0D414C00A91E4B /* Build configuration list for PBXNativeTarget "TSAOTests" */;
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141 | 			);
142 | 			buildRules = (
143 | 			);
144 | 			dependencies = (
145 | 				0A1A09591C0D414C00A91E4B /* PBXTargetDependency */,
146 | 			);
147 | 			name = TSAOTests;
148 | 			productName = TSAOTests;
149 | 			productReference = 0A1A09561C0D414C00A91E4B /* TSAOTests.xctest */;
150 | 			productType = "com.apple.product-type.bundle.unit-test";
151 | 		};
152 | /* End PBXNativeTarget section */
153 | 
154 | /* Begin PBXProject section */
155 | 		0A1A09431C0D414C00A91E4B /* Project object */ = {
156 | 			isa = PBXProject;
157 | 			attributes = {
158 | 				LastSwiftUpdateCheck = 0710;
159 | 				LastUpgradeCheck = 1020;
160 | 				ORGANIZATIONNAME = "Lily Ballard";
161 | 				TargetAttributes = {
162 | 					0A1A094B1C0D414C00A91E4B = {
163 | 						CreatedOnToolsVersion = 7.1.1;
164 | 						LastSwiftMigration = "";
165 | 					};
166 | 					0A1A09551C0D414C00A91E4B = {
167 | 						CreatedOnToolsVersion = 7.1.1;
168 | 						LastSwiftMigration = "";
169 | 					};
170 | 				};
171 | 			};
172 | 			buildConfigurationList = 0A1A09461C0D414C00A91E4B /* Build configuration list for PBXProject "TSAO" */;
173 | 			compatibilityVersion = "Xcode 3.2";
174 | 			developmentRegion = en;
175 | 			hasScannedForEncodings = 0;
176 | 			knownRegions = (
177 | 				en,
178 | 				Base,
179 | 			);
180 | 			mainGroup = 0A1A09421C0D414C00A91E4B;
181 | 			productRefGroup = 0A1A094D1C0D414C00A91E4B /* Products */;
182 | 			projectDirPath = "";
183 | 			projectRoot = "";
184 | 			targets = (
185 | 				0A1A094B1C0D414C00A91E4B /* TSAO */,
186 | 				0A1A09551C0D414C00A91E4B /* TSAOTests */,
187 | 			);
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219 | 			buildActionMask = 2147483647;
220 | 			files = (
221 | 				0A1A095C1C0D414C00A91E4B /* Tests.swift in Sources */,
222 | 			);
223 | 			runOnlyForDeploymentPostprocessing = 0;
224 | 		};
225 | /* End PBXSourcesBuildPhase section */
226 | 
227 | /* Begin PBXTargetDependency section */
228 | 		0A1A09591C0D414C00A91E4B /* PBXTargetDependency */ = {
229 | 			isa = PBXTargetDependency;
230 | 			target = 0A1A094B1C0D414C00A91E4B /* TSAO */;
231 | 			targetProxy = 0A1A09581C0D414C00A91E4B /* PBXContainerItemProxy */;
232 | 		};
233 | /* End PBXTargetDependency section */
234 | 
235 | /* Begin XCBuildConfiguration section */
236 | 		0A1A095E1C0D414C00A91E4B /* Debug */ = {
237 | 			isa = XCBuildConfiguration;
238 | 			buildSettings = {
239 | 				ALWAYS_SEARCH_USER_PATHS = NO;
240 | 				APPLICATION_EXTENSION_API_ONLY = YES;
241 | 				CLANG_CXX_LANGUAGE_STANDARD = "gnu++0x";
242 | 				CLANG_CXX_LIBRARY = "libc++";
243 | 				CLANG_ENABLE_MODULES = YES;
244 | 				CLANG_ENABLE_OBJC_ARC = YES;
245 | 				CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING = YES;
246 | 				CLANG_WARN_BOOL_CONVERSION = YES;
247 | 				CLANG_WARN_COMMA = YES;
248 | 				CLANG_WARN_CONSTANT_CONVERSION = YES;
249 | 				CLANG_WARN_DEPRECATED_OBJC_IMPLEMENTATIONS = YES;
250 | 				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
251 | 				CLANG_WARN_EMPTY_BODY = YES;
252 | 				CLANG_WARN_ENUM_CONVERSION = YES;
253 | 				CLANG_WARN_INFINITE_RECURSION = YES;
254 | 				CLANG_WARN_INT_CONVERSION = YES;
255 | 				CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
256 | 				CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
257 | 				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
258 | 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
259 | 				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
260 | 				CLANG_WARN_STRICT_PROTOTYPES = YES;
261 | 				CLANG_WARN_SUSPICIOUS_MOVE = YES;
262 | 				CLANG_WARN_UNREACHABLE_CODE = YES;
263 | 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
264 | 				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
265 | 				COPY_PHASE_STRIP = NO;
266 | 				DEBUG_INFORMATION_FORMAT = dwarf;
267 | 				ENABLE_STRICT_OBJC_MSGSEND = YES;
268 | 				ENABLE_TESTABILITY = YES;
269 | 				GCC_C_LANGUAGE_STANDARD = gnu99;
270 | 				GCC_DYNAMIC_NO_PIC = NO;
271 | 				GCC_NO_COMMON_BLOCKS = YES;
272 | 				GCC_OPTIMIZATION_LEVEL = 0;
273 | 				GCC_PREPROCESSOR_DEFINITIONS = (
274 | 					"DEBUG=1",
275 | 					"$(inherited)",
276 | 				);
277 | 				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
278 | 				GCC_WARN_ABOUT_RETURN_TYPE = YES_ERROR;
279 | 				GCC_WARN_UNDECLARED_SELECTOR = YES;
280 | 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
281 | 				GCC_WARN_UNUSED_FUNCTION = YES;
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283 | 				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
284 | 				MACOSX_DEPLOYMENT_TARGET = 10.9;
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288 | 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
289 | 				TVOS_DEPLOYMENT_TARGET = 9.0;
290 | 				VERSIONING_SYSTEM = "";
291 | 				WATCHOS_DEPLOYMENT_TARGET = 2.0;
292 | 			};
293 | 			name = Debug;
294 | 		};
295 | 		0A1A095F1C0D414C00A91E4B /* Release */ = {
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297 | 			buildSettings = {
298 | 				ALWAYS_SEARCH_USER_PATHS = NO;
299 | 				APPLICATION_EXTENSION_API_ONLY = YES;
300 | 				CLANG_CXX_LANGUAGE_STANDARD = "gnu++0x";
301 | 				CLANG_CXX_LIBRARY = "libc++";
302 | 				CLANG_ENABLE_MODULES = YES;
303 | 				CLANG_ENABLE_OBJC_ARC = YES;
304 | 				CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING = YES;
305 | 				CLANG_WARN_BOOL_CONVERSION = YES;
306 | 				CLANG_WARN_COMMA = YES;
307 | 				CLANG_WARN_CONSTANT_CONVERSION = YES;
308 | 				CLANG_WARN_DEPRECATED_OBJC_IMPLEMENTATIONS = YES;
309 | 				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
310 | 				CLANG_WARN_EMPTY_BODY = YES;
311 | 				CLANG_WARN_ENUM_CONVERSION = YES;
312 | 				CLANG_WARN_INFINITE_RECURSION = YES;
313 | 				CLANG_WARN_INT_CONVERSION = YES;
314 | 				CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
315 | 				CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
316 | 				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
317 | 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
318 | 				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
319 | 				CLANG_WARN_STRICT_PROTOTYPES = YES;
320 | 				CLANG_WARN_SUSPICIOUS_MOVE = YES;
321 | 				CLANG_WARN_UNREACHABLE_CODE = YES;
322 | 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
323 | 				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
324 | 				COPY_PHASE_STRIP = NO;
325 | 				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
326 | 				ENABLE_NS_ASSERTIONS = NO;
327 | 				ENABLE_STRICT_OBJC_MSGSEND = YES;
328 | 				GCC_C_LANGUAGE_STANDARD = gnu99;
329 | 				GCC_NO_COMMON_BLOCKS = YES;
330 | 				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
331 | 				GCC_WARN_ABOUT_RETURN_TYPE = YES_ERROR;
332 | 				GCC_WARN_UNDECLARED_SELECTOR = YES;
333 | 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
334 | 				GCC_WARN_UNUSED_FUNCTION = YES;
335 | 				GCC_WARN_UNUSED_VARIABLE = YES;
336 | 				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
337 | 				MACOSX_DEPLOYMENT_TARGET = 10.9;
338 | 				MTL_ENABLE_DEBUG_INFO = NO;
339 | 				SUPPORTED_PLATFORMS = "iphonesimulator iphoneos macosx watchsimulator watchos appletvsimulator appletvos";
340 | 				SWIFT_OPTIMIZATION_LEVEL = "-Owholemodule";
341 | 				TVOS_DEPLOYMENT_TARGET = 9.0;
342 | 				VALIDATE_PRODUCT = YES;
343 | 				VERSIONING_SYSTEM = "";
344 | 				WATCHOS_DEPLOYMENT_TARGET = 2.0;
345 | 			};
346 | 			name = Release;
347 | 		};
348 | 		0A1A09611C0D414C00A91E4B /* Debug */ = {
349 | 			isa = XCBuildConfiguration;
350 | 			buildSettings = {
351 | 				CLANG_ENABLE_MODULES = YES;
352 | 				COMBINE_HIDPI_IMAGES = YES;
353 | 				DEFINES_MODULE = YES;
354 | 				DYLIB_COMPATIBILITY_VERSION = 1;
355 | 				DYLIB_CURRENT_VERSION = 1;
356 | 				DYLIB_INSTALL_NAME_BASE = "@rpath";
357 | 				INFOPLIST_FILE = Info.plist;
358 | 				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
359 | 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
360 | 				PRODUCT_BUNDLE_IDENTIFIER = com.tildesoft.TSAO;
361 | 				PRODUCT_NAME = "$(TARGET_NAME)";
362 | 				SKIP_INSTALL = YES;
363 | 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
364 | 				SWIFT_VERSION = 4.0;
365 | 			};
366 | 			name = Debug;
367 | 		};
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369 | 			isa = XCBuildConfiguration;
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371 | 				CLANG_ENABLE_MODULES = YES;
372 | 				COMBINE_HIDPI_IMAGES = YES;
373 | 				DEFINES_MODULE = YES;
374 | 				DYLIB_COMPATIBILITY_VERSION = 1;
375 | 				DYLIB_CURRENT_VERSION = 1;
376 | 				DYLIB_INSTALL_NAME_BASE = "@rpath";
377 | 				INFOPLIST_FILE = Info.plist;
378 | 				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
379 | 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
380 | 				PRODUCT_BUNDLE_IDENTIFIER = com.tildesoft.TSAO;
381 | 				PRODUCT_NAME = "$(TARGET_NAME)";
382 | 				SKIP_INSTALL = YES;
383 | 				SWIFT_OPTIMIZATION_LEVEL = "-Owholemodule";
384 | 				SWIFT_VERSION = 4.0;
385 | 			};
386 | 			name = Release;
387 | 		};
388 | 		0A1A09641C0D414C00A91E4B /* Debug */ = {
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390 | 			buildSettings = {
391 | 				APPLICATION_EXTENSION_API_ONLY = NO;
392 | 				COMBINE_HIDPI_IMAGES = YES;
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395 | 				"LD_RUNPATH_SEARCH_PATHS[sdk=macosx*]" = "$(inherited) @executable_path/../Frameworks @loader_path/../Frameworks";
396 | 				PRODUCT_BUNDLE_IDENTIFIER = com.tildesoft.TSAOTests;
397 | 				PRODUCT_NAME = "$(TARGET_NAME)";
398 | 				SWIFT_VERSION = 4.0;
399 | 			};
400 | 			name = Debug;
401 | 		};
402 | 		0A1A09651C0D414C00A91E4B /* Release */ = {
403 | 			isa = XCBuildConfiguration;
404 | 			buildSettings = {
405 | 				APPLICATION_EXTENSION_API_ONLY = NO;
406 | 				COMBINE_HIDPI_IMAGES = YES;
407 | 				INFOPLIST_FILE = Tests/TSAOTests/Info.plist;
408 | 				"LD_RUNPATH_SEARCH_PATHS[arch=*]" = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
409 | 				"LD_RUNPATH_SEARCH_PATHS[sdk=macosx*]" = "$(inherited) @executable_path/../Frameworks @loader_path/../Frameworks";
410 | 				PRODUCT_BUNDLE_IDENTIFIER = com.tildesoft.TSAOTests;
411 | 				PRODUCT_NAME = "$(TARGET_NAME)";
412 | 				SWIFT_OPTIMIZATION_LEVEL = "-Owholemodule";
413 | 				SWIFT_VERSION = 4.0;
414 | 			};
415 | 			name = Release;
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418 | 
419 | /* Begin XCConfigurationList section */
420 | 		0A1A09461C0D414C00A91E4B /* Build configuration list for PBXProject "TSAO" */ = {
421 | 			isa = XCConfigurationList;
422 | 			buildConfigurations = (
423 | 				0A1A095E1C0D414C00A91E4B /* Debug */,
424 | 				0A1A095F1C0D414C00A91E4B /* Release */,
425 | 			);
426 | 			defaultConfigurationIsVisible = 0;
427 | 			defaultConfigurationName = Release;
428 | 		};
429 | 		0A1A09601C0D414C00A91E4B /* Build configuration list for PBXNativeTarget "TSAO" */ = {
430 | 			isa = XCConfigurationList;
431 | 			buildConfigurations = (
432 | 				0A1A09611C0D414C00A91E4B /* Debug */,
433 | 				0A1A09621C0D414C00A91E4B /* Release */,
434 | 			);
435 | 			defaultConfigurationIsVisible = 0;
436 | 			defaultConfigurationName = Release;
437 | 		};
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439 | 			isa = XCConfigurationList;
440 | 			buildConfigurations = (
441 | 				0A1A09641C0D414C00A91E4B /* Debug */,
442 | 				0A1A09651C0D414C00A91E4B /* Release */,
443 | 			);
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446 | 		};
447 | /* End XCConfigurationList section */
448 | 	};
449 | 	rootObject = 0A1A09431C0D414C00A91E4B /* Project object */;
450 | }
451 | 


--------------------------------------------------------------------------------
/TSAO.xcodeproj/project.xcworkspace/contents.xcworkspacedata:
--------------------------------------------------------------------------------
1 | <?xml version="1.0" encoding="UTF-8"?>
2 | <Workspace
3 |    version = "1.0">
4 |    <FileRef
5 |       location = "self:TSAO.xcodeproj">
6 |    </FileRef>
7 | </Workspace>
8 | 


--------------------------------------------------------------------------------
/TSAO.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist:
--------------------------------------------------------------------------------
1 | <?xml version="1.0" encoding="UTF-8"?>
2 | <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
3 | <plist version="1.0">
4 | <dict>
5 | 	<key>IDEDidComputeMac32BitWarning</key>
6 | 	<true/>
7 | </dict>
8 | </plist>
9 | 


--------------------------------------------------------------------------------
/TSAO.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings:
--------------------------------------------------------------------------------
1 | <?xml version="1.0" encoding="UTF-8"?>
2 | <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
3 | <plist version="1.0">
4 | <dict>
5 | 	<key>IDEWorkspaceSharedSettings_AutocreateContextsIfNeeded</key>
6 | 	<false/>
7 | </dict>
8 | </plist>
9 | 


--------------------------------------------------------------------------------
/TSAO.xcodeproj/xcshareddata/xcschemes/TSAO.xcscheme:
--------------------------------------------------------------------------------
  1 | <?xml version="1.0" encoding="UTF-8"?>
  2 | <Scheme
  3 |    LastUpgradeVersion = "1020"
  4 |    version = "1.3">
  5 |    <BuildAction
  6 |       parallelizeBuildables = "YES"
  7 |       buildImplicitDependencies = "YES">
  8 |       <BuildActionEntries>
  9 |          <BuildActionEntry
 10 |             buildForTesting = "YES"
 11 |             buildForRunning = "YES"
 12 |             buildForProfiling = "YES"
 13 |             buildForArchiving = "YES"
 14 |             buildForAnalyzing = "YES">
 15 |             <BuildableReference
 16 |                BuildableIdentifier = "primary"
 17 |                BlueprintIdentifier = "0A1A094B1C0D414C00A91E4B"
 18 |                BuildableName = "TSAO.framework"
 19 |                BlueprintName = "TSAO"
 20 |                ReferencedContainer = "container:TSAO.xcodeproj">
 21 |             </BuildableReference>
 22 |          </BuildActionEntry>
 23 |       </BuildActionEntries>
 24 |    </BuildAction>
 25 |    <TestAction
 26 |       buildConfiguration = "Debug"
 27 |       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
 28 |       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
 29 |       shouldUseLaunchSchemeArgsEnv = "YES">
 30 |       <Testables>
 31 |          <TestableReference
 32 |             skipped = "NO">
 33 |             <BuildableReference
 34 |                BuildableIdentifier = "primary"
 35 |                BlueprintIdentifier = "0A1A09551C0D414C00A91E4B"
 36 |                BuildableName = "TSAOTests.xctest"
 37 |                BlueprintName = "TSAOTests"
 38 |                ReferencedContainer = "container:TSAO.xcodeproj">
 39 |             </BuildableReference>
 40 |          </TestableReference>
 41 |       </Testables>
 42 |       <MacroExpansion>
 43 |          <BuildableReference
 44 |             BuildableIdentifier = "primary"
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 47 |             BlueprintName = "TSAO"
 48 |             ReferencedContainer = "container:TSAO.xcodeproj">
 49 |          </BuildableReference>
 50 |       </MacroExpansion>
 51 |       <AdditionalOptions>
 52 |       </AdditionalOptions>
 53 |    </TestAction>
 54 |    <LaunchAction
 55 |       buildConfiguration = "Debug"
 56 |       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
 57 |       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
 58 |       launchStyle = "0"
 59 |       useCustomWorkingDirectory = "NO"
 60 |       ignoresPersistentStateOnLaunch = "NO"
 61 |       debugDocumentVersioning = "YES"
 62 |       debugServiceExtension = "internal"
 63 |       allowLocationSimulation = "YES">
 64 |       <MacroExpansion>
 65 |          <BuildableReference
 66 |             BuildableIdentifier = "primary"
 67 |             BlueprintIdentifier = "0A1A094B1C0D414C00A91E4B"
 68 |             BuildableName = "TSAO.framework"
 69 |             BlueprintName = "TSAO"
 70 |             ReferencedContainer = "container:TSAO.xcodeproj">
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 72 |       </MacroExpansion>
 73 |       <AdditionalOptions>
 74 |       </AdditionalOptions>
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 76 |    <ProfileAction
 77 |       buildConfiguration = "Release"
 78 |       shouldUseLaunchSchemeArgsEnv = "YES"
 79 |       savedToolIdentifier = ""
 80 |       useCustomWorkingDirectory = "NO"
 81 |       debugDocumentVersioning = "YES">
 82 |       <MacroExpansion>
 83 |          <BuildableReference
 84 |             BuildableIdentifier = "primary"
 85 |             BlueprintIdentifier = "0A1A094B1C0D414C00A91E4B"
 86 |             BuildableName = "TSAO.framework"
 87 |             BlueprintName = "TSAO"
 88 |             ReferencedContainer = "container:TSAO.xcodeproj">
 89 |          </BuildableReference>
 90 |       </MacroExpansion>
 91 |    </ProfileAction>
 92 |    <AnalyzeAction
 93 |       buildConfiguration = "Debug">
 94 |    </AnalyzeAction>
 95 |    <ArchiveAction
 96 |       buildConfiguration = "Release"
 97 |       revealArchiveInOrganizer = "YES">
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100 | 


--------------------------------------------------------------------------------
/Tests/TSAOTests/Info.plist:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 3 | <plist version="1.0">
 4 | <dict>
 5 | 	<key>CFBundleDevelopmentRegion</key>
 6 | 	<string>en</string>
 7 | 	<key>CFBundleExecutable</key>
 8 | 	<string>$(EXECUTABLE_NAME)</string>
 9 | 	<key>CFBundleIdentifier</key>
10 | 	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
11 | 	<key>CFBundleInfoDictionaryVersion</key>
12 | 	<string>6.0</string>
13 | 	<key>CFBundleName</key>
14 | 	<string>$(PRODUCT_NAME)</string>
15 | 	<key>CFBundlePackageType</key>
16 | 	<string>BNDL</string>
17 | 	<key>CFBundleShortVersionString</key>
18 | 	<string>3.0.2</string>
19 | 	<key>CFBundleSignature</key>
20 | 	<string>????</string>
21 | 	<key>CFBundleVersion</key>
22 | 	<string>1</string>
23 | </dict>
24 | </plist>
25 | 


--------------------------------------------------------------------------------
/Tests/TSAOTests/Tests.swift:
--------------------------------------------------------------------------------
  1 | //
  2 | //  TSAOTests.swift
  3 | //  TSAOTests
  4 | //
  5 | //  Created by Lily Ballard on 11/30/15.
  6 | //  Copyright © 2015 Lily Ballard. All rights reserved.
  7 | //
  8 | 
  9 | import XCTest
 10 | @testable import TSAO
 11 | 
 12 | let intMap = AssocMap<Int>()
 13 | let strMap = AssocMap<NSString>(copyAtomic: false)
 14 | let aryMap = AssocMap<[String]>()
 15 | let tupleMap = AssocMap<(Int, CGRect)>()
 16 | 
 17 | let objectRetainMap = AssocMap<NSObject>()
 18 | let objectAssignMap = AssocMap<NSObject>(assign: ())
 19 | 
 20 | class TSAOTests: XCTestCase {
 21 |     var helper: NSObject!
 22 |     
 23 |     override func setUp() {
 24 |         super.setUp()
 25 |         helper = NSObject()
 26 |     }
 27 |     
 28 |     override func tearDown() {
 29 |         helper = nil
 30 |         super.tearDown()
 31 |     }
 32 |     
 33 |     func testSettingAssociatedObjects() {
 34 |         intMap[helper] = 42
 35 |         strMap[helper] = "this is an NSString"
 36 |         aryMap[helper] = ["array", "of", "String", "values"]
 37 |         
 38 |         XCTAssertEqual(intMap[helper], 42)
 39 |         XCTAssertEqual(strMap[helper], "this is an NSString")
 40 |         XCTAssertEqual(aryMap[helper] ?? [], ["array", "of", "String", "values"])
 41 |     }
 42 |     
 43 |     func testUnbridgeableValue() {
 44 |         let rect = CGRect(x: 5, y: 10, width: 15, height: 20)
 45 |         tupleMap[helper] = (5, rect)
 46 |         if let value = tupleMap[helper] {
 47 |             XCTAssertEqual(value.0, 5)
 48 |             XCTAssertEqual(value.1, rect)
 49 |         } else {
 50 |             XCTFail("tupleMap[helper] returned nil")
 51 |         }
 52 |     }
 53 |     
 54 |     func testOverwritingAssociatedObjects() {
 55 |         intMap[helper] = 42
 56 |         XCTAssertEqual(intMap[helper], 42)
 57 |         intMap[helper] = 1
 58 |         XCTAssertEqual(intMap[helper], 1)
 59 |         intMap[helper] = nil
 60 |         XCTAssertNil(intMap[helper])
 61 |     }
 62 |     
 63 |     func testGettingUnsetAssociatedObject() {
 64 |         XCTAssertNil(intMap[helper])
 65 |         intMap[helper] = 42
 66 |         XCTAssertEqual(intMap[helper], 42)
 67 |         intMap[helper] = nil
 68 |         XCTAssertNil(intMap[helper])
 69 |     }
 70 |     
 71 |     func testCopyingAssociatedValue() {
 72 |         let s = NSMutableString(string: "mutable string")
 73 |         strMap[helper] = s
 74 |         s.append("was changed")
 75 |         XCTAssertEqual(strMap[helper], "mutable string")
 76 |     }
 77 |     
 78 |     func testReleaseValue() {
 79 |         weak var object: NSObject?
 80 |         autoreleasepool {
 81 |             let obj = NSObject()
 82 |             objectRetainMap[helper] = obj
 83 |             object = obj
 84 |         }
 85 |         autoreleasepool {
 86 |             XCTAssertNotNil(object)
 87 |         }
 88 |         autoreleasepool {
 89 |             objectRetainMap[helper] = nil
 90 |         }
 91 |         XCTAssertNil(object)
 92 |     }
 93 |     
 94 |     func testAssignValue() {
 95 |         weak var object: NSObject?
 96 |         autoreleasepool {
 97 |             let obj = NSObject()
 98 |             objectAssignMap[helper] = obj
 99 |             object = obj
100 |         }
101 |         XCTAssertNil(object)
102 |     }
103 | }
104 | 


--------------------------------------------------------------------------------
/swift-tsao.podspec:
--------------------------------------------------------------------------------
 1 | Pod::Spec.new do |s|
 2 |   s.name         = "swift-tsao"
 3 |   s.version      = "3.0.2"
 4 |   s.summary      = "Type-Safe Associated Objects in Swift"
 5 |   s.description  = <<-DESC
 6 |     TSAO is an implementation of type-safe associated objects in Swift. 
 7 |     Objective-C associated objects are useful, but they are also untyped; 
 8 |     every associated object is only known to be id at compile-time and 
 9 |     clients must either test the class at runtime or rely on it being the 
10 |     expected type.
11 |                    DESC
12 | 
13 |   s.homepage     = "https://github.com/lilyball/swift-tsao"
14 |   s.license      = { :type => "MIT", :file => "LICENSE.txt" }
15 |   s.author             = { "Lily Ballard" => "lily@sb.org" }
16 | 
17 |   s.ios.deployment_target = "8.0"
18 |   s.osx.deployment_target = "10.9"
19 |   s.watchos.deployment_target = "2.0"
20 |   s.tvos.deployment_target = "9.0"
21 | 
22 |   s.swift_version = '4.0'
23 | 
24 |   s.source       = { :git => "https://github.com/lilyball/swift-tsao.git", :tag => "v#{s.version}" }
25 |   s.source_files  = "Sources/*.swift"
26 | end
27 | 


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