├── .gitignore ├── ApplicativeSwift.xcodeproj ├── project.pbxproj ├── project.xcworkspace │ └── contents.xcworkspacedata └── xcshareddata │ └── xcschemes │ └── ApplicativeSwift.xcscheme ├── ApplicativeSwift ├── Applicative.swift ├── ApplicativeSwift.h └── Info.plist ├── ApplicativeSwiftTests ├── ApplicativeSwiftTests.swift └── Info.plist ├── LICENSE └── README.md /.gitignore: -------------------------------------------------------------------------------- 1 | # Xcode 2 | # 3 | build/ 4 | *.pbxuser 5 | !default.pbxuser 6 | *.mode1v3 7 | !default.mode1v3 8 | *.mode2v3 9 | !default.mode2v3 10 | *.perspectivev3 11 | !default.perspectivev3 12 | xcuserdata 13 | *.xccheckout 14 | *.moved-aside 15 | DerivedData 16 | *.hmap 17 | *.ipa 18 | *.xcuserstate 19 | 20 | # CocoaPods 21 | # 22 | # We recommend against adding the Pods directory to your .gitignore. However 23 | # you should judge for yourself, the pros and cons are mentioned at: 24 | # http://guides.cocoapods.org/using/using-cocoapods.html#should-i-ignore-the-pods-directory-in-source-control 25 | # 26 | # Pods/ 27 | 28 | # Carthage 29 | # 30 | # Add this line if you want to avoid checking in source code from Carthage dependencies. 31 | # Carthage/Checkouts 32 | 33 | Carthage/Build 34 | -------------------------------------------------------------------------------- /ApplicativeSwift.xcodeproj/project.pbxproj: -------------------------------------------------------------------------------- 1 | // !$*UTF8*$! 2 | { 3 | archiveVersion = 1; 4 | classes = { 5 | }; 6 | objectVersion = 46; 7 | objects = { 8 | 9 | /* Begin PBXBuildFile section */ 10 | D68F24D21B39CCB0008ADAC9 /* ApplicativeSwift.h in Headers */ = {isa = PBXBuildFile; fileRef = D68F24D11B39CCB0008ADAC9 /* ApplicativeSwift.h */; settings = {ATTRIBUTES = (Public, ); }; }; 11 | D68F24D91B39CCB0008ADAC9 /* 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INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks"; 341 | IPHONEOS_DEPLOYMENT_TARGET = 7.0; 342 | LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks"; 343 | PRODUCT_BUNDLE_IDENTIFIER = org.koherent.ApplicativeSwift; 344 | PRODUCT_NAME = "$(TARGET_NAME)"; 345 | SKIP_INSTALL = YES; 346 | }; 347 | name = Release; 348 | }; 349 | D68F24E61B39CCB0008ADAC9 /* Debug */ = { 350 | isa = XCBuildConfiguration; 351 | buildSettings = { 352 | INFOPLIST_FILE = ApplicativeSwiftTests/Info.plist; 353 | LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks"; 354 | PRODUCT_BUNDLE_IDENTIFIER = org.koherent.ApplicativeSwiftTests; 355 | PRODUCT_NAME = "$(TARGET_NAME)"; 356 | }; 357 | name = Debug; 358 | }; 359 | D68F24E71B39CCB0008ADAC9 /* Release */ = { 360 | isa = XCBuildConfiguration; 361 | buildSettings = { 362 | INFOPLIST_FILE = ApplicativeSwiftTests/Info.plist; 363 | LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks"; 364 | PRODUCT_BUNDLE_IDENTIFIER = org.koherent.ApplicativeSwiftTests; 365 | PRODUCT_NAME = "$(TARGET_NAME)"; 366 | }; 367 | name = Release; 368 | }; 369 | /* End XCBuildConfiguration section */ 370 | 371 | /* Begin XCConfigurationList section */ 372 | D68F24C81B39CCB0008ADAC9 /* Build configuration list for PBXProject "ApplicativeSwift" */ = { 373 | isa = XCConfigurationList; 374 | buildConfigurations = ( 375 | D68F24E01B39CCB0008ADAC9 /* Debug */, 376 | D68F24E11B39CCB0008ADAC9 /* Release */, 377 | ); 378 | defaultConfigurationIsVisible = 0; 379 | defaultConfigurationName = Release; 380 | }; 381 | D68F24E21B39CCB0008ADAC9 /* Build configuration list for PBXNativeTarget "ApplicativeSwift" */ = { 382 | isa = XCConfigurationList; 383 | buildConfigurations = ( 384 | D68F24E31B39CCB0008ADAC9 /* Debug */, 385 | D68F24E41B39CCB0008ADAC9 /* Release */, 386 | ); 387 | defaultConfigurationIsVisible = 0; 388 | defaultConfigurationName = Release; 389 | }; 390 | D68F24E51B39CCB0008ADAC9 /* Build configuration list for PBXNativeTarget "ApplicativeSwiftTests" */ = { 391 | isa = XCConfigurationList; 392 | buildConfigurations = ( 393 | D68F24E61B39CCB0008ADAC9 /* Debug */, 394 | D68F24E71B39CCB0008ADAC9 /* Release */, 395 | ); 396 | defaultConfigurationIsVisible = 0; 397 | defaultConfigurationName = Release; 398 | }; 399 | /* End XCConfigurationList section */ 400 | }; 401 | rootObject = D68F24C51B39CCB0008ADAC9 /* Project object */; 402 | } 403 | -------------------------------------------------------------------------------- /ApplicativeSwift.xcodeproj/project.xcworkspace/contents.xcworkspacedata: -------------------------------------------------------------------------------- 1 | 2 | 4 | 6 | 7 | 8 | -------------------------------------------------------------------------------- /ApplicativeSwift.xcodeproj/xcshareddata/xcschemes/ApplicativeSwift.xcscheme: -------------------------------------------------------------------------------- 1 | 2 | 5 | 8 | 9 | 15 | 21 | 22 | 23 | 24 | 25 | 30 | 31 | 33 | 39 | 40 | 41 | 42 | 43 | 49 | 50 | 51 | 52 | 53 | 54 | 64 | 65 | 71 | 72 | 73 | 74 | 75 | 76 | 82 | 83 | 89 | 90 | 91 | 92 | 94 | 95 | 98 | 99 | 100 | -------------------------------------------------------------------------------- /ApplicativeSwift/Applicative.swift: -------------------------------------------------------------------------------- 1 | infix operator <*> { 2 | precedence 130 3 | associativity left 4 | } 5 | infix operator <^> { 6 | precedence 130 7 | associativity left 8 | } 9 | 10 | public func curry(f: (T0, T1) -> R) -> T0 -> T1 -> R { 11 | return { t0 in { t1 in f(t0, t1) } } 12 | } 13 | 14 | public func curry(f: (T0, T1, T2) -> R) -> T0 -> T1 -> T2 -> R { 15 | return { t0 in { t1 in { t2 in f(t0, t1, t2) } } } 16 | } 17 | 18 | public func curry(f: (T0, T1, T2, T3) -> R) -> T0 -> T1 -> T2 -> T3 -> R { 19 | return { t0 in { t1 in { t2 in { t3 in f(t0, t1, t2, t3) } } } } 20 | } 21 | 22 | public func curry(f: (T0, T1, T2, T3, T4) -> R) -> T0 -> T1 -> T2 -> T3 -> T4 -> R { 23 | return { t0 in { t1 in { t2 in { t3 in { t4 in f(t0, t1, t2, t3, t4) } } } } } 24 | } 25 | 26 | public func curry(f: (T0, T1, T2, T3, T4, T5) -> R) -> T0 -> T1 -> T2 -> T3 -> T4 -> T5 -> R { 27 | return { t0 in { t1 in { t2 in { t3 in { t4 in { t5 in f(t0, t1, t2, t3, t4, t5) } } } } } } 28 | } 29 | 30 | public func curry(f: (T0, T1, T2, T3, T4, T5, T6) -> R) -> T0 -> T1 -> T2 -> T3 -> T4 -> T5 -> T6 -> R { 31 | return { t0 in { t1 in { t2 in { t3 in { t4 in { t5 in { t6 in f(t0, t1, t2, t3, t4, t5, t6) } } } } } } } 32 | } 33 | 34 | public func curry(f: (T0, T1, T2, T3, T4, T5, T6, T7) -> R) -> T0 -> T1 -> T2 -> T3 -> T4 -> T5 -> T6 -> T7 -> R { 35 | return { t0 in { t1 in { t2 in { t3 in { t4 in { t5 in { t6 in { t7 in f(t0, t1, t2, t3, t4, t5, t6, t7) } } } } } } } } 36 | } 37 | 38 | public func curry(f: (T0, T1, T2, T3, T4, T5, T6, T7, T8) -> R) -> T0 -> T1 -> T2 -> T3 -> T4 -> T5 -> T6 -> T7 -> T8 -> R { 39 | return { t0 in { t1 in { t2 in { t3 in { t4 in { t5 in { t6 in { t7 in { t8 in f(t0, t1, t2, t3, t4, t5, t6, t7, t8) } } } } } } } } } 40 | } 41 | 42 | public func curry(f: (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9) -> R) -> T0 -> T1 -> T2 -> T3 -> T4 -> T5 -> T6 -> T7 -> T8 -> T9 -> R { 43 | return { t0 in { t1 in { t2 in { t3 in { t4 in { t5 in { t6 in { t7 in { t8 in { t9 in f(t0, t1, t2, t3, t4, t5, t6, t7, t8, t9) } } } } } } } } } } 44 | } 45 | 46 | public func curry(f: (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10) -> R) -> T0 -> T1 -> T2 -> T3 -> T4 -> T5 -> T6 -> T7 -> T8 -> T9 -> T10 -> R { 47 | return { t0 in { t1 in { t2 in { t3 in { t4 in { t5 in { t6 in { t7 in { t8 in { t9 in { t10 in f(t0, t1, t2, t3, t4, t5, t6, t7, t8, t9, t10) } } } } } } } } } } } 48 | } 49 | 50 | public func curry(f: (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11) -> R) -> T0 -> T1 -> T2 -> T3 -> T4 -> T5 -> T6 -> T7 -> T8 -> T9 -> T10 -> T11 -> R { 51 | return { t0 in { t1 in { t2 in { t3 in { t4 in { t5 in { t6 in { t7 in { t8 in { t9 in { t10 in { t11 in f(t0, t1, t2, t3, t4, t5, t6, t7, t8, t9, t10, t11) } } } } } } } } } } } } 52 | } 53 | 54 | public func curry(f: (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12) -> R) -> T0 -> T1 -> T2 -> T3 -> T4 -> T5 -> T6 -> T7 -> T8 -> T9 -> T10 -> T11 -> T12 -> R { 55 | return { t0 in { t1 in { t2 in { t3 in { t4 in { t5 in { t6 in { t7 in { t8 in { t9 in { t10 in { t11 in { t12 in f(t0, t1, t2, t3, t4, t5, t6, t7, t8, t9, t10, t11, t12) } } } } } } } } } } } } } 56 | } 57 | 58 | public func curry(f: (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13) -> R) -> T0 -> T1 -> T2 -> T3 -> T4 -> T5 -> T6 -> T7 -> T8 -> T9 -> T10 -> T11 -> T12 -> T13 -> R { 59 | return { t0 in { t1 in { t2 in { t3 in { t4 in { t5 in { t6 in { t7 in { t8 in { t9 in { t10 in { t11 in { t12 in { t13 in f(t0, t1, t2, t3, t4, t5, t6, t7, t8, t9, t10, t11, t12, t13) } } } } } } } } } } } } } } 60 | } 61 | 62 | public func curry(f: (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14) -> R) -> T0 -> T1 -> T2 -> T3 -> T4 -> T5 -> T6 -> T7 -> T8 -> T9 -> T10 -> T11 -> T12 -> T13 -> T14 -> R { 63 | return { t0 in { t1 in { t2 in { t3 in { t4 in { t5 in { t6 in { t7 in { t8 in { t9 in { t10 in { t11 in { t12 in { t13 in { t14 in f(t0, t1, t2, t3, t4, t5, t6, t7, t8, t9, t10, t11, t12, t13, t14) } } } } } } } } } } } } } } } 64 | } 65 | 66 | public func curry(f: (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15) -> R) -> T0 -> T1 -> T2 -> T3 -> T4 -> T5 -> T6 -> T7 -> T8 -> T9 -> T10 -> T11 -> T12 -> T13 -> T14 -> T15 -> R { 67 | return { t0 in { t1 in { t2 in { t3 in { t4 in { t5 in { t6 in { t7 in { t8 in { t9 in { t10 in { t11 in { t12 in { t13 in { t14 in { t15 in f(t0, t1, t2, t3, t4, t5, t6, t7, t8, t9, t10, t11, t12, t13, t14, t15) } } } } } } } } } } } } } } } } 68 | } 69 | 70 | // Optional 71 | 72 | public func <*>(lhs: (T0 -> T1)?, rhs: T0?) -> T1? { 73 | switch lhs { 74 | case .None: 75 | return nil 76 | case .Some(let transform): 77 | return rhs.map(transform) 78 | } 79 | } 80 | 81 | public func <^>(lhs: T0 -> R, rhs: T0?) -> R? { 82 | return rhs.map { lhs($0) } 83 | } 84 | 85 | public func <^>(lhs: (T0, T1) -> R, rhs: T0?) -> (T1 -> R)? { 86 | return curry(lhs) <^> rhs 87 | } 88 | 89 | public func <^>(lhs: (T0, T1, T2) -> R, rhs: T0?) -> (T1 -> T2 -> R)? { 90 | return curry(lhs) <^> rhs 91 | } 92 | 93 | public func <^>(lhs: (T0, T1, T2, T3) -> R, rhs: T0?) -> (T1 -> T2 -> T3 -> R)? { 94 | return curry(lhs) <^> rhs 95 | } 96 | 97 | public func <^>(lhs: (T0, T1, T2, T3, T4) -> R, rhs: T0?) -> (T1 -> T2 -> T3 -> T4 -> R)? { 98 | return curry(lhs) <^> rhs 99 | } 100 | 101 | public func <^>(lhs: (T0, T1, T2, T3, T4, T5) -> R, rhs: T0?) -> (T1 -> T2 -> T3 -> T4 -> T5 -> R)? { 102 | return curry(lhs) <^> rhs 103 | } 104 | 105 | public func <^>(lhs: (T0, T1, T2, T3, T4, T5, T6) -> R, rhs: T0?) -> (T1 -> T2 -> T3 -> T4 -> T5 -> T6 -> R)? { 106 | return curry(lhs) <^> rhs 107 | } 108 | 109 | public func <^>(lhs: (T0, T1, T2, T3, T4, T5, T6, T7) -> R, rhs: T0?) -> (T1 -> T2 -> T3 -> T4 -> T5 -> T6 -> T7 -> R)? { 110 | return curry(lhs) <^> rhs 111 | } 112 | 113 | public func <^>(lhs: (T0, T1, T2, T3, T4, T5, T6, T7, T8) -> R, rhs: T0?) -> (T1 -> T2 -> T3 -> T4 -> T5 -> T6 -> T7 -> T8 -> R)? { 114 | return curry(lhs) <^> rhs 115 | } 116 | 117 | public func <^>(lhs: (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9) -> R, rhs: T0?) -> (T1 -> T2 -> T3 -> T4 -> T5 -> T6 -> T7 -> T8 -> T9 -> R)? { 118 | return curry(lhs) <^> rhs 119 | } 120 | 121 | public func <^>(lhs: (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10) -> R, rhs: T0?) -> (T1 -> T2 -> T3 -> T4 -> T5 -> T6 -> T7 -> T8 -> T9 -> T10 -> R)? { 122 | return curry(lhs) <^> rhs 123 | } 124 | 125 | public func <^>(lhs: (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11) -> R, rhs: T0?) -> (T1 -> T2 -> T3 -> T4 -> T5 -> T6 -> T7 -> T8 -> T9 -> T10 -> T11 -> R)? { 126 | return curry(lhs) <^> rhs 127 | } 128 | 129 | public func <^>(lhs: (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12) -> R, rhs: T0?) -> (T1 -> T2 -> T3 -> T4 -> T5 -> T6 -> T7 -> T8 -> T9 -> T10 -> T11 -> T12 -> R)? { 130 | return curry(lhs) <^> rhs 131 | } 132 | 133 | public func <^>(lhs: (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13) -> R, rhs: T0?) -> (T1 -> T2 -> T3 -> T4 -> T5 -> T6 -> T7 -> T8 -> T9 -> T10 -> T11 -> T12 -> T13 -> R)? { 134 | return curry(lhs) <^> rhs 135 | } 136 | 137 | public func <^>(lhs: (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14) -> R, rhs: T0?) -> (T1 -> T2 -> T3 -> T4 -> T5 -> T6 -> T7 -> T8 -> T9 -> T10 -> T11 -> T12 -> T13 -> T14 -> R)? { 138 | return curry(lhs) <^> rhs 139 | } 140 | 141 | public func <^>(lhs: (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15) -> R, rhs: T0?) -> (T1 -> T2 -> T3 -> T4 -> T5 -> T6 -> T7 -> T8 -> T9 -> T10 -> T11 -> T12 -> T13 -> T14 -> T15 -> R)? { 142 | return curry(lhs) <^> rhs 143 | } 144 | 145 | // Array 146 | 147 | public func <*>(lhs: [T0 -> T1], rhs: [T0]) -> [T1] { 148 | return lhs.flatMap { f in rhs.map { t0 in f(t0) } } 149 | } 150 | 151 | public func <^>(lhs: T0 -> R, rhs: [T0]) -> [R] { 152 | return rhs.map { lhs($0) } 153 | } 154 | 155 | public func <^>(lhs: (T0, T1) -> R, rhs: [T0]) -> [T1 -> R] { 156 | return rhs.map { curry(lhs)($0) } 157 | } 158 | 159 | public func <^>(lhs: (T0, T1, T2) -> R, rhs: [T0]) -> [T1 -> T2 -> R] { 160 | return rhs.map { curry(lhs)($0) } 161 | } 162 | 163 | public func <^>(lhs: (T0, T1, T2, T3) -> R, rhs: [T0]) -> [T1 -> T2 -> T3 -> R] { 164 | return rhs.map { curry(lhs)($0) } 165 | } 166 | 167 | public func <^>(lhs: (T0, T1, T2, T3, T4) -> R, rhs: [T0]) -> [T1 -> T2 -> T3 -> T4 -> R] { 168 | return rhs.map { curry(lhs)($0) } 169 | } 170 | 171 | public func <^>(lhs: (T0, T1, T2, T3, T4, T5) -> R, rhs: [T0]) -> [T1 -> T2 -> T3 -> T4 -> T5 -> R] { 172 | return rhs.map { curry(lhs)($0) } 173 | } 174 | 175 | public func <^>(lhs: (T0, T1, T2, T3, T4, T5, T6) -> R, rhs: [T0]) -> [T1 -> T2 -> T3 -> T4 -> T5 -> T6 -> R] { 176 | return rhs.map { curry(lhs)($0) } 177 | } 178 | 179 | public func <^>(lhs: (T0, T1, T2, T3, T4, T5, T6, T7) -> R, rhs: [T0]) -> [T1 -> T2 -> T3 -> T4 -> T5 -> T6 -> T7 -> R] { 180 | return rhs.map { curry(lhs)($0) } 181 | } 182 | 183 | public func <^>(lhs: (T0, T1, T2, T3, T4, T5, T6, T7, T8) -> R, rhs: [T0]) -> [T1 -> T2 -> T3 -> T4 -> T5 -> T6 -> T7 -> T8 -> R] { 184 | return rhs.map { curry(lhs)($0) } 185 | } 186 | 187 | public func <^>(lhs: (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9) -> R, rhs: [T0]) -> [T1 -> T2 -> T3 -> T4 -> T5 -> T6 -> T7 -> T8 -> T9 -> R] { 188 | return rhs.map { curry(lhs)($0) } 189 | } 190 | 191 | public func <^>(lhs: (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10) -> R, rhs: [T0]) -> [T1 -> T2 -> T3 -> T4 -> T5 -> T6 -> T7 -> T8 -> T9 -> T10 -> R] { 192 | return rhs.map { curry(lhs)($0) } 193 | } 194 | 195 | public func <^>(lhs: (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11) -> R, rhs: [T0]) -> [T1 -> T2 -> T3 -> T4 -> T5 -> T6 -> T7 -> T8 -> T9 -> T10 -> T11 -> R] { 196 | return rhs.map { curry(lhs)($0) } 197 | } 198 | 199 | public func <^>(lhs: (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12) -> R, rhs: [T0]) -> [T1 -> T2 -> T3 -> T4 -> T5 -> T6 -> T7 -> T8 -> T9 -> T10 -> T11 -> T12 -> R] { 200 | return rhs.map { curry(lhs)($0) } 201 | } 202 | 203 | public func <^>(lhs: (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13) -> R, rhs: [T0]) -> [T1 -> T2 -> T3 -> T4 -> T5 -> T6 -> T7 -> T8 -> T9 -> T10 -> T11 -> T12 -> T13 -> R] { 204 | return rhs.map { curry(lhs)($0) } 205 | } 206 | 207 | public func <^>(lhs: (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14) -> R, rhs: [T0]) -> [T1 -> T2 -> T3 -> T4 -> T5 -> T6 -> T7 -> T8 -> T9 -> T10 -> T11 -> T12 -> T13 -> T14 -> R] { 208 | return rhs.map { curry(lhs)($0) } 209 | } 210 | 211 | public func <^>(lhs: (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15) -> R, rhs: [T0]) -> [T1 -> T2 -> T3 -> T4 -> T5 -> T6 -> T7 -> T8 -> T9 -> T10 -> T11 -> T12 -> T13 -> T14 -> T15 -> R] { 212 | return rhs.map { curry(lhs)($0) } 213 | } 214 | -------------------------------------------------------------------------------- /ApplicativeSwift/ApplicativeSwift.h: -------------------------------------------------------------------------------- 1 | #import 2 | 3 | //! Project version number for ApplicativeSwift. 4 | FOUNDATION_EXPORT double ApplicativeSwiftVersionNumber; 5 | 6 | //! Project version string for ApplicativeSwift. 7 | FOUNDATION_EXPORT const unsigned char ApplicativeSwiftVersionString[]; 8 | 9 | // In this header, you should import all the public headers of your framework using statements like #import 10 | 11 | 12 | -------------------------------------------------------------------------------- /ApplicativeSwift/Info.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | CFBundleDevelopmentRegion 6 | en 7 | CFBundleExecutable 8 | $(EXECUTABLE_NAME) 9 | CFBundleIdentifier 10 | $(PRODUCT_BUNDLE_IDENTIFIER) 11 | CFBundleInfoDictionaryVersion 12 | 6.0 13 | CFBundleName 14 | $(PRODUCT_NAME) 15 | CFBundlePackageType 16 | FMWK 17 | CFBundleShortVersionString 18 | 1.0 19 | CFBundleSignature 20 | ???? 21 | CFBundleVersion 22 | $(CURRENT_PROJECT_VERSION) 23 | NSPrincipalClass 24 | 25 | 26 | 27 | -------------------------------------------------------------------------------- /ApplicativeSwiftTests/ApplicativeSwiftTests.swift: -------------------------------------------------------------------------------- 1 | import UIKit 2 | import XCTest 3 | import ApplicativeSwift 4 | 5 | class ApplicativeSwiftTests: XCTestCase { 6 | func testOptional() { 7 | let a: Int? = 1 8 | let b: Int? = 2 9 | let c: Int? = 4 10 | let d: Int? = 8 11 | let e: Int? = 16 12 | let f: Int? = 32 13 | let g: Int? = 64 14 | 15 | XCTAssert(((+) <^> a <*> b) == .Some(3)) 16 | XCTAssert((add3 <^> a <*> b <*> c) == .Some(7)) 17 | XCTAssert((add4 <^> a <*> b <*> c <*> d) == .Some(15)) 18 | XCTAssert((add5 <^> a <*> b <*> c <*> d <*> e) == .Some(31)) 19 | XCTAssert((add6 <^> a <*> b <*> c <*> d <*> e <*> f) == .Some(63)) 20 | XCTAssert((add7 <^> a <*> b <*> c <*> d <*> e <*> f <*> g) == .Some(127)) 21 | 22 | XCTAssert(((+) <^> nil <*> b) == nil) 23 | XCTAssert((add3 <^> a <*> nil <*> c) == nil) 24 | XCTAssert((add4 <^> a <*> b <*> nil <*> d) == nil) 25 | XCTAssert((add5 <^> a <*> b <*> c <*> nil <*> e) == nil) 26 | XCTAssert((add6 <^> a <*> b <*> c <*> d <*> nil <*> f) == nil) 27 | XCTAssert((add7 <^> a <*> b <*> c <*> d <*> e <*> nil <*> g) == nil) 28 | 29 | XCTAssert((.Some(curry(+)) <*> a <*> b) == .Some(3)) // in Haskell: pure (+) <$> a <*> b 30 | } 31 | 32 | func testArray() { 33 | let a: [Int] = [1, 2] 34 | let b: [Int] = [3, 4] 35 | 36 | XCTAssertEqual((*) <^> a <*> b, [3, 4, 6, 8]) 37 | XCTAssertEqual([curry(+), curry(*)] <*> a <*> b, [4, 5, 5, 6, 3, 4, 6, 8]) // in Haskell: [(+), (*)] <*> a <*> b 38 | } 39 | 40 | func testOptionalInitializer() { 41 | let bar: Int = 2 42 | let baz: Float = 3.0 43 | let qux: String = "5" 44 | 45 | guard let foo = Foo.init <^> bar <*> baz <*> qux else { 46 | XCTFail() 47 | return 48 | } 49 | 50 | XCTAssertEqual(foo.bar, 2) 51 | XCTAssertEqual(foo.baz, 3.0) 52 | XCTAssertEqual(foo.qux, "5") 53 | } 54 | } 55 | 56 | func add3(a: Int, b: Int, c: Int) -> Int { 57 | return a + b + c 58 | } 59 | 60 | func add4(a: Int, b: Int, c: Int, d: Int) -> Int { 61 | return a + b + c + d 62 | } 63 | 64 | func add5(a: Int, b: Int, c: Int, d: Int, e: Int) -> Int { 65 | return a + b + c + d + e 66 | } 67 | 68 | func add6(a: Int, b: Int, c: Int, d: Int, e: Int, f: Int) -> Int { 69 | return a + b + c + d + e + f 70 | } 71 | 72 | func add7(a: Int, b: Int, c: Int, d: Int, e: Int, f: Int, g: Int) -> Int { 73 | return a + b + c + d + e + f + g 74 | } 75 | 76 | struct Foo { 77 | let bar: Int 78 | let baz: Float 79 | let qux: String 80 | } -------------------------------------------------------------------------------- /ApplicativeSwiftTests/Info.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | CFBundleDevelopmentRegion 6 | en 7 | CFBundleExecutable 8 | $(EXECUTABLE_NAME) 9 | CFBundleIdentifier 10 | $(PRODUCT_BUNDLE_IDENTIFIER) 11 | CFBundleInfoDictionaryVersion 12 | 6.0 13 | CFBundleName 14 | $(PRODUCT_NAME) 15 | CFBundlePackageType 16 | BNDL 17 | CFBundleShortVersionString 18 | 1.0 19 | CFBundleSignature 20 | ???? 21 | CFBundleVersion 22 | 1 23 | 24 | 25 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | The MIT License (MIT) 2 | 3 | Copyright (c) 2015 koher 4 | 5 | Permission is hereby granted, free of charge, to any person obtaining a copy 6 | of this software and associated documentation files (the "Software"), to deal 7 | in the Software without restriction, including without limitation the rights 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 9 | copies of the Software, and to permit persons to whom the Software is 10 | furnished to do so, subject to the following conditions: 11 | 12 | The above copyright notice and this permission notice shall be included in all 13 | copies or substantial portions of the Software. 14 | 15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 21 | SOFTWARE. 22 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | ApplicativeSwift 2 | ========================= 3 | 4 | _ApplicativeSwift_ provides the operators to realize the __applicative style__ for Swift, which is used in Haskell. 5 | 6 | ```swift 7 | let a: Int? = 2 8 | let b: Int? = 3 9 | 10 | let result: Int? = (+) <^> a <*> b // Optional(5) 11 | ``` 12 | 13 | Purpose 14 | ------------------------- 15 | 16 | We use a lot of `Optional` values in Swift. Sometimes we want to apply operators or functions to 2 or more optional values. But it is too complicated. 17 | 18 | ```swift 19 | let a: Int? = 2 20 | let b: Int? = 3 21 | 22 | // How to calculate a + b? (wants nil if a or b is nil) 23 | 24 | // Too complicated 25 | let result: Int? = { 26 | if let a0 = a { 27 | if let b0 = b { 28 | return a0 + b0 29 | } 30 | } 31 | return nil 32 | }() 33 | ``` 34 | 35 | In Haskell, it can be done easily in the applicative style. 36 | 37 | ```haskell 38 | -- Haskell 39 | (+) <$> a <*> b 40 | ``` 41 | 42 | _ApplicativeSwift_ provides such operators for Swift. Because the letter `$` cannot be used for operators in Swift, _ApplicativeSwift_ provides `<^>` instead of `<$>`. Therefore `a + b` can be calculated in the following way. 43 | 44 | ```swift 45 | // Swift 46 | (+) <^> a <*> b 47 | ``` 48 | 49 | Usage 50 | ------------------------- 51 | 52 | ```swift 53 | // Optional 54 | let a: Int? = 2 55 | let b: Int? = 3 56 | let c: Int? = 5 57 | let d: Int? = 7 58 | let e: Int? = 11 59 | let f: Int? = 13 60 | let g: Int? = 17 61 | 62 | (+) <^> a <*> b 63 | sum3 <^> a <*> b <*> c 64 | sum4 <^> a <*> b <*> c <*> d 65 | sum5 <^> a <*> b <*> c <*> d <*> e 66 | sum6 <^> a <*> b <*> c <*> d <*> e <*> f 67 | sum7 <^> a <*> b <*> c <*> d <*> e <*> f <*> g 68 | 69 | // Array 70 | (*) <^> [1, 2] <*> [3, 4] 71 | 72 | // Currying 73 | curry(+)(2) <*> .Some(3) 74 | [curry(+), curry(*)] <*> [1, 2] <*> [3, 4] 75 | ``` 76 | 77 | Installation 78 | ------------------------- 79 | 80 | ### Carthage 81 | 82 | [_Carthage_](https://github.com/Carthage/Carthage) is available to install _ApplicativeSwift_. Add it to your _Cartfile_: 83 | 84 | ``` 85 | github "koher/ApplicativeSwift" ~> 2.0.0 86 | ``` 87 | 88 | ### Manually 89 | 90 | #### Embedded Framework 91 | 92 | For iOS 8 or later, 93 | 94 | 1. Put [ApplicativeSwift.xcodeproj](ApplicativeSwift.xcodeproj) into your project in Xcode. 95 | 2. Click the project icon and select the "General" tab. 96 | 3. Add ApplicativeSwift.framework to "Embedded Binaries". 97 | 4. `import ApplicativeSwift` in your swift files. 98 | 99 | #### Source 100 | 101 | For iOS 7, put [Applicative.swift](ApplicativeSwift/Applicative.swift) into your project. 102 | 103 | License 104 | ------------------------- 105 | 106 | [The MIT License](LICENSE) 107 | 108 | References 109 | ------------------------- 110 | 111 | 1. [Applicative functors - Learn You a Haskell for Great Good!](http://learnyouahaskell.com/functors-applicative-functors-and-monoids#applicative-functors) 112 | 2. [Advanced Operators - The Swift Programming Language](https://developer.apple.com/library/ios/documentation/Swift/Conceptual/Swift_Programming_Language/AdvancedOperators.html) 113 | --------------------------------------------------------------------------------