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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. J04ϨΨγʔίʔυվળΨΠυ 1 Jan 29, 2016 দલ݈ଠ࿠ IPϓϥοτϑΥʔϜࣄۀ෦ୈ̍෦
 DeNA Co., Ltd. ʙϚϯΨϘοΫε։ൃʹ͓͚Δࣄྫʙ

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ࣗݾ঺հ দલ݈ଠ࿠ (id:kenmaz) 2003.4 ೔ཱιϦϡʔγϣϯζ (چɾ೔ཱιϑτ΢ΣΞΤϯδχΞϦϯάʣ SIer, Java, Ruby, ଞ 2009.6 υϫϯΰ χίχίɺଞ 2013.4 DeNA ϚϯΨϘοΫε ϦʔυΤϯδχΞ 2

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 3

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 4 ϓϩ࡞Ոͷ   ඳ͖͓Ζ͠࡞඼͕   ຖ೔ߋ৽ɺແྉͰಡΊΔ   ϚϯΨࡶࢽΞϓϦ

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 5

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 6 ిࢠॻ੶ετΞ ϚϯΨ౤ߘ

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ຊ୊ 7

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ϨΨγʔίʔυʹ͍ͭͯ 8

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ϚϯΨϘοΫεʹ͓͚ΔϨΨγʔίʔυ •։ൃελʔτ͔Β໿̏೥ •iOS6࣌୅ͷίʔυଟ਺ •ػೳ௥Ճʹ൐͏ίʔυͷෳࡶԽ •ϨΨγʔίʔυԽͷஹީ 9

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ϚϯΨϘοΫεʹ͓͚ΔϨΨγʔίʔυ •։ൃελʔτ͔Β໿̏೥ •iOS6࣌୅ͷίʔυଟ਺ •ػೳ௥Ճʹ൐͏ίʔυͷෳࡶԽ •ϨΨγʔίʔυԽͷஹީ 9 iOSϨΨγʔίʔυվળΨΠυ ϨΨγʔίʔυԽͤ͞ͳ͍ͨΊͷऔΓ૊Έ

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ᶃϦϦʔεαΠΫϧͷݟ௚͠ ᶄSwift΁ͷҠߦ ᶅAutoLayout΁ͷରԠ ᶆઃܭ ᶇӡ༻ɾϩά 10 iOS ϨΨγʔίʔυվળΨΠυ

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ᶃϦϦʔεαΠΫϧͷݟ௚͠ ᶄSwift΁ͷҠߦ ᶅAutoLayout΁ͷରԠ ᶆઃܭ ᶇӡ༻ɾϩά 10 iOS ϨΨγʔίʔυվળΨΠυ ޙ೔webͰެ։Ͱ͖Ε͹ɾɾɾ

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. Swift΁ͷҠߦ 11 iOSϨΨγʔίʔυվળΨΠυ  ͦͷᶄ

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 12 h)ps://developer.apple.com/swi7/ SwiftҠߦͷҙٛ

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 12 h)ps://developer.apple.com/swi7/ SwiftҠߦͷҙٛ

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 12 h)ps://developer.apple.com/swi7/ • Type  Safe   • Op

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 12 h)ps://developer.apple.com/swi7/ • Type  Safe   • Op

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. iOSΤϯδχΞ 1.5ਓ Ͳ͏͢Δ 13

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. SwiftҠߦ΁ͷجຊઓུ 14

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. SwiftҠߦ΁ͷجຊઓུ 1. طଘίʔυͷڍಈΛഁյ͠ͳ͍͜ͱ 14

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. SwiftҠߦ΁ͷجຊઓུ 1. طଘίʔυͷڍಈΛഁյ͠ͳ͍͜ͱ 2. طଘobjcίʔυͷमਖ਼͸ۃྗSwiftͰߦ͏͜ͱ 14

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. SwiftҠߦ΁ͷجຊઓུ 1. طଘίʔυͷڍಈΛഁյ͠ͳ͍͜ͱ 2. طଘobjcίʔυͷमਖ਼͸ۃྗSwiftͰߦ͏͜ͱ 3. ஈ֊తʹঃʑʹҠߦ͢͢ΊΔ͜ͱ 14

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. SwiftҠߦ΁ͷجຊઓུ 1. طଘίʔυͷڍಈΛഁյ͠ͳ͍͜ͱ 2. طଘobjcίʔυͷमਖ਼͸ۃྗSwiftͰߦ͏͜ͱ 3. ஈ֊తʹঃʑʹҠߦ͢͢ΊΔ͜ͱ 4. SwiftΒ͍͠ίʔυΛॻ͍࣮ͯ֬ʹ඼࣭ΛߴΊΔ͜ͱ 14

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. SwiftҠߦ΁ͷجຊઓུ 1. طଘίʔυͷڍಈΛഁյ͠ͳ͍͜ͱ 2. طଘobjcίʔυͷमਖ਼͸ۃྗSwiftͰߦ͏͜ͱ 3. ஈ֊తʹঃʑʹҠߦ͢͢ΊΔ͜ͱ 4. SwiftΒ͍͠ίʔυΛॻ͍࣮ͯ֬ʹ඼࣭ΛߴΊΔ͜ͱ 5. ہॴతͳଥڠ͸ڐ༰ 14

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. SwiftҠߦ΁ͷجຊઓུ 1. طଘίʔυͷڍಈΛഁյ͠ͳ͍͜ͱ 2. طଘobjcίʔυͷमਖ਼͸ۃྗSwiftͰߦ͏͜ͱ 3. ஈ֊తʹঃʑʹҠߦ͢͢ΊΔ͜ͱ 4. SwiftΒ͍͠ίʔυΛॻ͍࣮ͯ֬ʹ඼࣭ΛߴΊΔ͜ͱ 5. ہॴతͳଥڠ͸ڐ༰ 14 →Mix-and-Match

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. Mix and Match ͻͱͭͷϓϩδΣΫτͰObjective-CͱSwiftΛࠞ߹ͯ͠࢖͏ͨΊͷػೳ 15 h)ps://developer.apple.com/library/ios/documenta

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. Mix and MatchΛ࢖ͬͨSwiftҠߦύλʔϯ 16

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. Mix and MatchΛ࢖ͬͨSwiftҠߦύλʔϯ 16 ᶃ Ԇ໋ύλʔϯ ᶄ ͝৽نύλʔϯ ᶅ ੾Γग़͠ύλʔϯ ᶆ ϒϦοδύλʔϯ ᶇ extensionύλʔϯ ᶈ ๫࿐ύλʔϯ ᶉ ৐ͬऔΓύλʔϯ ᶊ ࣸܦύλʔϯ

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. Mix and MatchΛ࢖ͬͨSwiftҠߦύλʔϯ 16 ᶃ Ԇ໋ύλʔϯ ᶄ ͝৽نύλʔϯ ᶅ ੾Γग़͠ύλʔϯ ᶆ ϒϦοδύλʔϯ ᶇ extensionύλʔϯ ᶈ ๫࿐ύλʔϯ ᶉ ৐ͬऔΓύλʔϯ ᶊ ࣸܦύλʔϯ ύλʔϯ  ≒  ෢ಓʹ͓͚Δܗ

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. Mix and MatchΛ࢖ͬͨSwiftҠߦύλʔϯ 16 ᶃ Ԇ໋ύλʔϯ ᶄ ͝৽نύλʔϯ ᶅ ੾Γग़͠ύλʔϯ ᶆ ϒϦοδύλʔϯ ᶇ extensionύλʔϯ ᶈ ๫࿐ύλʔϯ ᶉ ৐ͬऔΓύλʔϯ ᶊ ࣸܦύλʔϯ ύλʔϯ  ≒  ෢ಓʹ͓͚Δܗ

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. Mix and MatchΛ࢖ͬͨSwiftҠߦύλʔϯ 16 ᶃ Ԇ໋ύλʔϯ ᶄ ͝৽نύλʔϯ ᶅ ੾Γग़͠ύλʔϯ ᶆ ϒϦοδύλʔϯ ᶇ extensionύλʔϯ ᶈ ๫࿐ύλʔϯ ᶉ ৐ͬऔΓύλʔϯ ᶊ ࣸܦύλʔϯ ύλʔϯ  ≒  ෢ಓʹ͓͚Δܗ ύλʔϯԽ͢Δҙٛ

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. Mix and MatchΛ࢖ͬͨSwiftҠߦύλʔϯ 16 ᶃ Ԇ໋ύλʔϯ ᶄ ͝৽نύλʔϯ ᶅ ੾Γग़͠ύλʔϯ ᶆ ϒϦοδύλʔϯ ᶇ extensionύλʔϯ ᶈ ๫࿐ύλʔϯ ᶉ ৐ͬऔΓύλʔϯ ᶊ ࣸܦύλʔϯ ύλʔϯ  ≒  ෢ಓʹ͓͚Δܗ ύλʔϯԽ͢Δҙٛ →  ໎Θͣ൑அͰ͖Δ

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. Mix and MatchΛ࢖ͬͨSwiftҠߦύλʔϯ 16 ᶃ Ԇ໋ύλʔϯ ᶄ ͝৽نύλʔϯ ᶅ ੾Γग़͠ύλʔϯ ᶆ ϒϦοδύλʔϯ ᶇ extensionύλʔϯ ᶈ ๫࿐ύλʔϯ ᶉ ৐ͬऔΓύλʔϯ ᶊ ࣸܦύλʔϯ ύλʔϯ  ≒  ෢ಓʹ͓͚Δܗ ύλʔϯԽ͢Δҙٛ →  ໎Θͣ൑அͰ͖Δ

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. Mix and MatchΛ࢖ͬͨSwiftҠߦύλʔϯ 16 ᶃ Ԇ໋ύλʔϯ ᶄ ͝৽نύλʔϯ ᶅ ੾Γग़͠ύλʔϯ ᶆ ϒϦοδύλʔϯ ᶇ extensionύλʔϯ ᶈ ๫࿐ύλʔϯ ᶉ ৐ͬऔΓύλʔϯ ᶊ ࣸܦύλʔϯ ύλʔϯ  ≒  ෢ಓʹ͓͚Δܗ ύλʔϯԽ͢Δҙٛ →  ໎Θͣ൑அͰ͖Δ ※֤ύλʔϯ໊͸ࢲʹΑΔউखͳ໋໊

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ᶃԆ໋ύλʔϯ 17 Objec

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ᶃԆ໋ύλʔϯ 17 objc   class objc   class objc   class Objec

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ᶃԆ໋ύλʔϯ 17 objc   class objc   class objc   class Nullability,  Genericsʹؔ͢ΔΞϊςʔγϣϯΛ෇Ճ Objec

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ᶃԆ໋ύλʔϯ 17 objc   class objc   class objc   class Nullability,  Genericsʹؔ͢ΔΞϊςʔγϣϯΛ෇Ճ ܕ҆શɾnil  ҆શ  ͳੈք Objec

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ᶃԆ໋ύλʔϯ 17 objc   class objc   class objc   class Nullability,  Genericsʹؔ͢ΔΞϊςʔγϣϯΛ෇Ճ ܕ҆શɾnil  ҆શ  ͳੈք swi7 ҆શʹΞΫηε Objec

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ᶃԆ໋ύλʔϯ Copyright (C) DeNA Co.,Ltd. All Rights Reserved. objcʹ Nullability, Lightweight GenericsΛ௥Ճ͢Δ 18 @interface UserHistory -(Episode*)lastEepisode; -(NSArray*)allEpisodes; @end

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ᶃԆ໋ύλʔϯ Copyright (C) DeNA Co.,Ltd. All Rights Reserved. objcʹ Nullability, Lightweight GenericsΛ௥Ճ͢Δ 18 @interface UserHistory -(Episode*)lastEepisode; -(NSArray*)allEpisodes; @end NS_ASSUME_NONNULL_BEGIN @interface UserHistory -(nullable Episode*)lastEepisode; -(NSArray*)allEpisodes; NS_ASSUME_NONNULL_END @end

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ᶃԆ໋ύλʔϯ Copyright (C) DeNA Co.,Ltd. All Rights Reserved. objcʹ Nullability, Lightweight GenericsΛ௥Ճ͢Δ 18 @interface UserHistory -(Episode*)lastEepisode; -(NSArray*)allEpisodes; @end NS_ASSUME_NONNULL_BEGIN @interface UserHistory -(nullable Episode*)lastEepisode; -(NSArray*)allEpisodes; NS_ASSUME_NONNULL_END @end class UserHistory { func lastEepisode()->Episode? func allEepisodes()->[Episode] }

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ᶃԆ໋ύλʔϯ Copyright (C) DeNA Co.,Ltd. All Rights Reserved. objcʹ Nullability, Lightweight GenericsΛ௥Ճ͢Δ • طଘͷobjcࢿ࢈Λ҆શʹ࢖͑Δ • ϩʔίετɾϋΠϦλʔϯ • SwiftରԠ΁ͷୈҰาͱͯ͠࠷ద 18 @interface UserHistory -(Episode*)lastEepisode; -(NSArray*)allEpisodes; @end NS_ASSUME_NONNULL_BEGIN @interface UserHistory -(nullable Episode*)lastEepisode; -(NSArray*)allEpisodes; NS_ASSUME_NONNULL_END @end class UserHistory { func lastEepisode()->Episode? func allEepisodes()->[Episode] }

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ᶄ͝৽نύλʔϯ 19 Objec

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ᶄ͝৽نύλʔϯ 19 objc   class objc   class objc   class Objec

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ᶄ͝৽نύλʔϯ 19 objc   class objc   class objc   class ViewController   .swi7 View   Model   Objec

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ᶄ͝৽نύλʔϯ 19 objc   class objc   class objc   class instan

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ᶄ͝৽نύλʔϯ Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ৽نViewController͸جຊϑϧSwiftͰॻ͘ ʮ৽ن։ൃ෼͸SwiftͰॻ͖·͢ʯύλʔϯ طଘͷobjcίʔυͷґଘ͕গͳ͘΍Γ΍͍͢ ৽͍͠ը໘΍ػೳΛ௥Ճ͢Δέʔεʹ͓͢͢Ί ྫʣ • Ϣʔβొ࿥ɾϩάΠϯ • ϚΠϝχϡʔ • ίΠϯߪೖॲཧ • ಈը޿ࠂ 20

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 21 ᶅ੾Γग़͠ύλʔϯ Objec

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 21 ᶅ੾Γग़͠ύλʔϯ objc  class   method   Objec

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 21 ᶅ੾Γग़͠ύλʔϯ objc  class   method   Objec

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 21 Logic   .swi7 ᶅ੾Γग़͠ύλʔϯ objc  class   method   Objec

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 21 Logic   .swi7 ᶅ੾Γग़͠ύλʔϯ objc  class   method   ίʔϧ Objec

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ᶅ੾Γग़͠ύλʔϯ Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ϩδοΫΛswiftʹ੾Γग़͢ 22 - (NSNumber*)getNum { NSNumber* num = ...; return num; } .m

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ᶅ੾Γग़͠ύλʔϯ Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ϩδοΫΛswiftʹ੾Γग़͢ 22 if (num.integerValue == 0) { NSLog(@"num is zero"); } else { NSLog(@"num is non zero"); } - (NSNumber*)getNum { NSNumber* num = ...; return num; } .m

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ᶅ੾Γग़͠ύλʔϯ Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ϩδοΫΛswiftʹ੾Γग़͢ 22 - (NSNumber*)getNum { NSNumber* num = ...; return num; } .m

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ᶅ੾Γग़͠ύλʔϯ Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ϩδοΫΛswiftʹ੾Γग़͢ 22 - (NSNumber*)getNum { NSNumber* num = ...; return num; } .m [NumLogger debug:num];

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ᶅ੾Γग़͠ύλʔϯ Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ϩδοΫΛswiftʹ੾Γग़͢ 22 - (NSNumber*)getNum { NSNumber* num = ...; return num; } .m + final class NumLogger: NSObject { class func debug(num:NSNumber) { if num.integerValue == 0 { print("num is zero") } else { print("num is non zero") } } } .swi7 [NumLogger debug:num];

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ᶅ੾Γग़͠ύλʔϯ Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ϩδοΫΛswiftʹ੾Γग़͢ 22 - (NSNumber*)getNum { NSNumber* num = ...; return num; } .m + final class NumLogger: NSObject { class func debug(num:NSNumber) { if num.integerValue == 0 { print("num is zero") } else { print("num is non zero") } } } .swi7 [NumLogger debug:num]; • ࠷খݶͷมߋͰطଘobjcϝιουͷϩδοΫΛ௥Ճɾमਖ਼Ͱ͖Δ • ࢖͍Ͳ͜Ζɿϩάग़ྗॲཧɺόϦσʔγϣϯɺUtilతͳॲཧ • Ϣχοτςετ΋ॻ͖΍͍͢

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ᶆϒϦοδύλʔϯ 23 Objec

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ᶆϒϦοδύλʔϯ 23 objc   class objc   class objc   class Objec

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ᶆϒϦοδύλʔϯ 23 Nested  Type Top-­‐level   func

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ᶆϒϦοδύλʔϯ 23 Nested  Type Top-­‐level   func

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ᶆϒϦοδύλʔϯ 23 Nested  Type Top-­‐level   func

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ᶆϒϦοδύλʔϯ 23 Nested  Type Top-­‐level   func

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objcͱswiftͷڮ౉͠ Ұఆن໛ͷswfitίϯϙʔωϯτ objcίʔυ ͷڮ౉͠ ᶆϒϦοδύλʔϯ Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 24 ޿ࠂ࿮ Ad networking logging imp click display/   event  handling

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 25 ᶇextensionύλʔϯ Objec

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 25 ᶇextensionύλʔϯ FooClass   method1 method2 Objec

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 25 ᶇextensionύλʔϯ FooClass   method1 method2 method3 Objec

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 25 ᶇextensionύλʔϯ FooClass   method1 method2 method3 FooClass   extension     Objec

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 25 ᶇextensionύλʔϯ FooClass   method1 method2 method3 FooClass   extension     method3 Objec

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 25 ᶇextensionύλʔϯ FooClass   method1 method2 method3 FooClass   extension     method3 Objec

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ᶇextensionύλʔϯ Copyright (C) DeNA Co.,Ltd. All Rights Reserved. طଘobjcΫϥεΛextension͢Δ 26 @implement FooClass - (void)method1 {...} - (void)method2 {...} @end .m

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ᶇextensionύλʔϯ Copyright (C) DeNA Co.,Ltd. All Rights Reserved. طଘobjcΫϥεΛextension͢Δ 26 @implement FooClass - (void)method1 {...} - (void)method2 {...} @end .m + extension FooClass { //ϝιου௥Ճ func method3() { … } } .swi7

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ᶇextensionύλʔϯ Copyright (C) DeNA Co.,Ltd. All Rights Reserved. طଘobjcΫϥεΛextension͢Δ 26 @implement FooClass - (void)method1 {...} - (void)method2 {...} @end .m + extension FooClass { //ϝιου௥Ճ func method3() { … } } .swi7 • Ұ൪ࣗવͰద༻ͤ͞΍͍͢ύλʔϯ

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 27 ᶇextensionύλʔϯ ViewerController Objec

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 27 ᶇextensionύλʔϯ ViewerController Objec

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 27 ᶇextensionύλʔϯ ViewerController Objec

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 27 ᶇextensionύλʔϯ ViewerController ViewerController   extension Objec

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 27 ᶇextensionύλʔϯ ViewerController ViewerController   extension func   shareBu)onDidTapped()   Objec

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 27 ᶇextensionύλʔϯ ViewerController ViewerController   extension func   shareBu)onDidTapped()   Objec

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 28 ᶈ๫࿐ύλʔϯ Objec

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 28 ᶈ๫࿐ύλʔϯ FooClass   property1 method1 Objec

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 28 ᶈ๫࿐ύλʔϯ FooClass   property1 method1 Objec

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FooClass   extension     ᶇ extensionύλʔϯ Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 28 ᶈ๫࿐ύλʔϯ FooClass   property1 method1 Objec

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FooClass   extension     ᶇ extensionύλʔϯ Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 28 ᶈ๫࿐ύλʔϯ FooClass   property1 method1 Objec

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FooClass   extension     ᶇ extensionύλʔϯ Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 28 ᶈ๫࿐ύλʔϯ FooClass   property1 method1 ࢀরɾίʔϧෆՄ Objec

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FooClass   extension     ᶇ extensionύλʔϯ Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 28 ᶈ๫࿐ύλʔϯ FooClass   property1 method1 Objec

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FooClass   extension     ᶇ extensionύλʔϯ Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 28 ᶈ๫࿐ύλʔϯ FooClass   property1 method1 Objec

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FooClass   extension     ᶇ extensionύλʔϯ Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 28 ᶈ๫࿐ύλʔϯ FooClass   property1 method1 Bridging-­‐ Header.h   Objec

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FooClass   extension     ᶇ extensionύλʔϯ Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 28 ᶈ๫࿐ύλʔϯ FooClass   property1 method1 Bridging-­‐ Header.h   Objec

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FooClass   extension     ᶇ extensionύλʔϯ Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 28 ᶈ๫࿐ύλʔϯ FooClass   property1 method1 Bridging-­‐ Header.h   ࢀরɾίʔϧ Objec

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ᶈ๫࿐ύλʔϯ Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 29 @interface FooClass () @property NSString property1; @end @implement FooClass (void)method1 { ... } @end .m @interface FooClass @end .h

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ᶈ๫࿐ύλʔϯ Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 29 @interface FooClass () @property NSString property1; @end @implement FooClass (void)method1 { ... } @end .m #import “xxx.h” #import “yyy.h” #import “zzz.h” ... @interface FooClass (PrivateForSwift) @property (readonly) NSString *property1; (void)method1; @end Xxxx-­‐Bridging-­‐Header.h + @interface FooClass @end .h

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ᶈ๫࿐ύλʔϯ Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 29 @interface FooClass () @property NSString property1; @end @implement FooClass (void)method1 { ... } @end .m extension FooClass { func methods() { property1 = “foo"; method1() } } .swi7 + #import “xxx.h” #import “yyy.h” #import “zzz.h” ... @interface FooClass (PrivateForSwift) @property (readonly) NSString *property1; (void)method1; @end Xxxx-­‐Bridging-­‐Header.h + @interface FooClass @end .h

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ᶈ๫࿐ύλʔϯ Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 29 @interface FooClass () @property NSString property1; @end @implement FooClass (void)method1 { ... } @end .m extension FooClass { func methods() { property1 = “foo"; method1() } } .swi7 + #import “xxx.h” #import “yyy.h” #import “zzz.h” ... @interface FooClass (PrivateForSwift) @property (readonly) NSString *property1; (void)method1; @end Xxxx-­‐Bridging-­‐Header.h + @interface FooClass @end .h ↑objc͸Ұ੾มߋ͍ͯ͠ͳ͍

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 30 ϓϥΠϕʔτଐੑΛ෦෼తʹެ։͢Δ ᶈ๫࿐ύλʔϯ

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ҙਤతʹΧϓηϧԽΛഁյ 30 ϓϥΠϕʔτଐੑΛ෦෼తʹެ։͢Δ ᶈ๫࿐ύλʔϯ

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ҙਤతʹΧϓηϧԽΛഁյ ⁃ extension͔ΒຊମΫϥεͷϓϥΠϕʔτଐੑ΁ͷΞΫηε͕ Մೳʹ 30 ϓϥΠϕʔτଐੑΛ෦෼తʹެ։͢Δ ᶈ๫࿐ύλʔϯ

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ҙਤతʹΧϓηϧԽΛഁյ ⁃ extension͔ΒຊମΫϥεͷϓϥΠϕʔτଐੑ΁ͷΞΫηε͕ Մೳʹ ⁃ มߋՕॴ͸ϒϦοδϯάϔομͷΈɺطଘͷ.h/.m͸มߋͳ͠ 30 ϓϥΠϕʔτଐੑΛ෦෼తʹެ։͢Δ ᶈ๫࿐ύλʔϯ

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ҙਤతʹΧϓηϧԽΛഁյ ⁃ extension͔ΒຊମΫϥεͷϓϥΠϕʔτଐੑ΁ͷΞΫηε͕ Մೳʹ ⁃ มߋՕॴ͸ϒϦοδϯάϔομͷΈɺطଘͷ.h/.m͸มߋͳ͠ ଥڠ͕ඞཁͳ෦෼ 30 ϓϥΠϕʔτଐੑΛ෦෼తʹެ։͢Δ ᶈ๫࿐ύλʔϯ

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ҙਤతʹΧϓηϧԽΛഁյ ⁃ extension͔ΒຊମΫϥεͷϓϥΠϕʔτଐੑ΁ͷΞΫηε͕ Մೳʹ ⁃ มߋՕॴ͸ϒϦοδϯάϔομͷΈɺطଘͷ.h/.m͸มߋͳ͠ ଥڠ͕ඞཁͳ෦෼ ⁃ ҟ࿦ͷग़Δͱ͜Ζ 30 ϓϥΠϕʔτଐੑΛ෦෼తʹެ։͢Δ ᶈ๫࿐ύλʔϯ

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ҙਤతʹΧϓηϧԽΛഁյ ⁃ extension͔ΒຊମΫϥεͷϓϥΠϕʔτଐੑ΁ͷΞΫηε͕ Մೳʹ ⁃ มߋՕॴ͸ϒϦοδϯάϔομͷΈɺطଘͷ.h/.m͸มߋͳ͠ ଥڠ͕ඞཁͳ෦෼ ⁃ ҟ࿦ͷग़Δͱ͜Ζ ⁃ Ұ࣌తͳରԠɺͱ͍͏ׂΓ੾Γ 30 ϓϥΠϕʔτଐੑΛ෦෼తʹެ։͢Δ ᶈ๫࿐ύλʔϯ

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ҙਤతʹΧϓηϧԽΛഁյ ⁃ extension͔ΒຊମΫϥεͷϓϥΠϕʔτଐੑ΁ͷΞΫηε͕ Մೳʹ ⁃ มߋՕॴ͸ϒϦοδϯάϔομͷΈɺطଘͷ.h/.m͸มߋͳ͠ ଥڠ͕ඞཁͳ෦෼ ⁃ ҟ࿦ͷग़Δͱ͜Ζ ⁃ Ұ࣌తͳରԠɺͱ͍͏ׂΓ੾Γ ⁃ ͜͜ΛׂΓ੾Ε͹SwiftԽ͸ҰؾʹਐΉ 30 ϓϥΠϕʔτଐੑΛ෦෼తʹެ։͢Δ ᶈ๫࿐ύλʔϯ

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 31 ᶉ৐ͬऔΓύλʔϯ FooClass   method1 property1 31 Objec

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 31 ᶉ৐ͬऔΓύλʔϯ FooClass   method1 property1 31 Objec

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 31 ᶉ৐ͬऔΓύλʔϯ FooClass   method1 property1 31 Objec

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 32 ᶉ৐ͬऔΓύλʔϯ 32 Objec

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 32 ᶉ৐ͬऔΓύλʔϯ FooClass   method1 property1 32 Objec

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 32 ᶉ৐ͬऔΓύλʔϯ FooClass   method1 property1 32 Objec

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 32 ᶉ৐ͬऔΓύλʔϯ FooClass   method1 property1 32 Objec

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FooClass   Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 32 ᶉ৐ͬऔΓύλʔϯ FooClass   method1 property1 32 Objec

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FooClass   extends Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 32 ᶉ৐ͬऔΓύλʔϯ FooClass   method1 property1 32 Objec

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FooClass   extends Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 32 ᶉ৐ͬऔΓύλʔϯ FooClass   method1 property1 32 method2   property2   Objec

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FooClass   extends Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 32 ᶉ৐ͬऔΓύλʔϯ FooClass   method1 property1 32 method2   property2   Objec

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FooClass   extends Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 32 ᶉ৐ͬऔΓύλʔϯ FooClass   method1 property1 32 method2   property2   Objec

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FooClass   extends Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 32 ᶉ৐ͬऔΓύλʔϯ FooClass   method1 property1 32 method2   property2   Objec

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FooClass   extends Bridging-­‐ Header.h   +ᶈ๫࿐ύλʔϯ Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 32 ᶉ৐ͬऔΓύλʔϯ FooClass   method1 property1 32 method2   property2   Objec

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FooClass   extends Bridging-­‐ Header.h   +ᶈ๫࿐ύλʔϯ Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 32 ᶉ৐ͬऔΓύλʔϯ FooClass   method1 property1 32 method2   property2   Objec

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FooClass   extends Bridging-­‐ Header.h   +ᶈ๫࿐ύλʔϯ Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 32 ᶉ৐ͬऔΓύλʔϯ FooClass   method1 property1 32 method2   property2   Objec

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 33 objΫϥεΛswiftͰܧঝ໊͠લΛ৐ͬऔΔ ᶉ৐ͬऔΓύλʔϯ

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ⁃ ܧঝͯ͠৐ͬऔΔ 33 objΫϥεΛswiftͰܧঝ໊͠લΛ৐ͬऔΔ ᶉ৐ͬऔΓύλʔϯ

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ⁃ ܧঝͯ͠৐ͬऔΔ • ΫϥεຊମΛSwiftʹҠ͠ସ͑ɺطଘobjcΫϥε͸਌ ΫϥεԽ 33 objΫϥεΛswiftͰܧঝ໊͠લΛ৐ͬऔΔ ᶉ৐ͬऔΓύλʔϯ

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ⁃ ܧঝͯ͠৐ͬऔΔ • ΫϥεຊମΛSwiftʹҠ͠ସ͑ɺطଘobjcΫϥε͸਌ ΫϥεԽ • ϓϩύςΟ΍ϝιου͸ࣗ༝ʹ௥ՃՄೳ 33 objΫϥεΛswiftͰܧঝ໊͠લΛ৐ͬऔΔ ᶉ৐ͬऔΓύλʔϯ

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ⁃ ܧঝͯ͠৐ͬऔΔ • ΫϥεຊମΛSwiftʹҠ͠ସ͑ɺطଘobjcΫϥε͸਌ ΫϥεԽ • ϓϩύςΟ΍ϝιου͸ࣗ༝ʹ௥ՃՄೳ • ᶈ๫࿐ύλʔϯͷซ༻Մೳ 33 objΫϥεΛswiftͰܧঝ໊͠લΛ৐ͬऔΔ ᶉ৐ͬऔΓύλʔϯ

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ⁃ ܧঝͯ͠৐ͬऔΔ • ΫϥεຊମΛSwiftʹҠ͠ସ͑ɺطଘobjcΫϥε͸਌ ΫϥεԽ • ϓϩύςΟ΍ϝιου͸ࣗ༝ʹ௥ՃՄೳ • ᶈ๫࿐ύλʔϯͷซ༻Մೳ ⁃ ଥڠϙΠϯτ 33 objΫϥεΛswiftͰܧঝ໊͠લΛ৐ͬऔΔ ᶉ৐ͬऔΓύλʔϯ

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ⁃ ܧঝͯ͠৐ͬऔΔ • ΫϥεຊମΛSwiftʹҠ͠ସ͑ɺطଘobjcΫϥε͸਌ ΫϥεԽ • ϓϩύςΟ΍ϝιου͸ࣗ༝ʹ௥ՃՄೳ • ᶈ๫࿐ύλʔϯͷซ༻Մೳ ⁃ ଥڠϙΠϯτ • ܧঝؔ܎͕มߋ͞ΕΔ 33 objΫϥεΛswiftͰܧঝ໊͠લΛ৐ͬऔΔ ᶉ৐ͬऔΓύλʔϯ

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ⁃ ܧঝͯ͠৐ͬऔΔ • ΫϥεຊମΛSwiftʹҠ͠ସ͑ɺطଘobjcΫϥε͸਌ ΫϥεԽ • ϓϩύςΟ΍ϝιου͸ࣗ༝ʹ௥ՃՄೳ • ᶈ๫࿐ύλʔϯͷซ༻Մೳ ⁃ ଥڠϙΠϯτ • ܧঝؔ܎͕มߋ͞ΕΔ ⁃ ผղˠ 33 objΫϥεΛswiftͰܧঝ໊͠લΛ৐ͬऔΔ ᶉ৐ͬऔΓύλʔϯ

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FooClass   method1 property1 Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 34 ᶉผղɿ৐ͬऔΓύλʔϯ(ΧςΰϦ֦ு) FooClass   34 property2   (Category  Extension) Objec

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FooClass   method1 property1 Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 34 ᶉผղɿ৐ͬऔΓύλʔϯ(ΧςΰϦ֦ு) FooClass   34 property2   (Category  Extension) Objec

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ࢀߟɿΞϯνύλʔϯ 35 //ετΞυϓϩύςΟͷ௥Ճ var name:String { get { return objc_getAssociatedObject(self, &key) as! String } set { objc_setAssociatedObject(self, &key, newValue, .OBJC_ASSOCIATION_RETAIN_NONATOMIC)} } //ϓϥΠϕʔτϝιουͷ࣮ߦ if respondsToSelector("_reload") { performSelector("_reload") } //ϓϥΠϕʔτϓϩύςΟͷࢀর if let titleLabel = valueForKey("TitleLabel") as? UILabel { ... } • ΧϓηϧԽΛഁյͤͣʹϓϥΠϕʔτ ଐੑΛࢀরɾ௥ՃՄೳ   • ϝϯςφϯεੑ˚   • ϚϯΨϘοΫεͰ͸ۃྗ࢖༻͠ͳ͍Α ͏ʹ͍ͯ͠Δ associatedObject Ωʔ஋ίʔσΟϯά objcηϨΫλʔ

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 36 ᶊࣸܦύλʔϯ Objec

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 36 FooClass   method1 method2 ᶊࣸܦύλʔϯ Objec

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ࣸܦ Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 36 FooClass   method1 method2 ᶊࣸܦύλʔϯ Objec

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FooClass   method1 method2 ࣸܦ Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 36 FooClass   method1 method2 ᶊࣸܦύλʔϯ Objec

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FooClass   method1 method2 ࣸܦ Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 36 ᶊࣸܦύλʔϯ Objec

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FooClass   method1 method2 Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 36 ᶊࣸܦύλʔϯ Objec

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ᶊࣸܦύλʔϯ Copyright (C) DeNA Co.,Ltd. All Rights Reserved. طଘͷobjcίʔυΛswiftͰॻ͖௚͢ • ࠷ޙͷखஈ • ςετͷ༗ແͰϦεΫมಈ • ݩίʔυ͕ςετͰอޢ͞Ε͍ͯΔˠ˕ • ର৅objcίʔυΛ·ͣςετͰอޢ͔ͯ͠ΒSwiftͰॻ͖௚͢ˠ̋ • ׬શॻ͖௚͠ˠ˚ • ͋Δҙຯγϯϓϧ͕ͩɺϑϧQA͸ඞਢɺίετେ 37

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ࢀߟɿࣸܦͷ͓ڙʹ 38 • Generated Interface

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ࢀߟɿࣸܦͷ͓ڙʹ 39 • Generated Interface

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ࢀߟɿࣸܦͷ͓ڙʹ 40 • Generated Interface

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ࢀߟɿࣸܦͷ͓ڙʹ • objc→swift ίʔυม׵πʔϧ • https://github.com/yahoojapan/objc2swift • https://objectivec2swift.com/?ref=producthunt#/converter/code • http://iswift.org • https://myappconverter.com • https://itunes.apple.com/us/app/o2swift-objective-c-to-swift/id1060352413?ls=1&mt=12 • ͍ͣΕ΋ػցతͳม׵ͳͷͰख௚͠ˍQA͸ඞਢ 41

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 42 ᶃ Ԇ໋ύλʔϯ ᶄ ͝৽نύλʔϯ ᶅ ੾Γग़͠ύλʔϯ ᶆ ϒϦοδύλʔϯ ᶇ extensionύλʔϯ ᶈ ๫࿐ύλʔϯ ᶉ ৐ͬऔΓύλʔϯ ᶊ ࣸܦύλʔϯ Mix-and-MatchΛ࢖ͬͨSwiftҠߦύλʔϯ ϦεΫ   τϦοΩʔ౓   Swi7Ҡߦ౓ খ େ

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. Կ͔ʹࣅ͍ͯΔ 43

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. Կ͔ʹࣅ͍ͯΔ 44 ᶃ Ԇ໋ύλʔϯ ᶄ ͝৽نύλʔϯ ᶅ ੾Γग़͠ύλʔϯ ᶆ ϒϦοδύλʔϯ ᶇ extensionύλʔϯ ᶈ ๫࿐ύλʔϯ ᶉ ৐ͬऔΓύλʔϯ ᶊ ࣸܦύλʔϯ

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. Կ͔ʹࣅ͍ͯΔ 44 ᶃ Ԇ໋ύλʔϯ ᶄ ͝৽نύλʔϯ ᶅ ੾Γग़͠ύλʔϯ ᶆ ϒϦοδύλʔϯ ᶇ extensionύλʔϯ ᶈ ๫࿐ύλʔϯ ᶉ ৐ͬऔΓύλʔϯ ᶊ ࣸܦύλʔϯ h)p://shop.ohmsha.co.jp/shopdetail/000000003881/ ϦϑΝΫλϦϯά

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. Կ͔ʹࣅ͍ͯΔ 44 ᶃ Ԇ໋ύλʔϯ ᶄ ͝৽نύλʔϯ ᶅ ੾Γग़͠ύλʔϯ ᶆ ϒϦοδύλʔϯ ᶇ extensionύλʔϯ ᶈ ๫࿐ύλʔϯ ᶉ ৐ͬऔΓύλʔϯ ᶊ ࣸܦύλʔϯ h)p://shop.ohmsha.co.jp/shopdetail/000000003881/ ϦϑΝΫλϦϯά Extract  Method   Extract  Class

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. Կ͔ʹࣅ͍ͯΔ 45 ᶃ Ԇ໋ύλʔϯ ᶄ ͝৽نύλʔϯ ᶅ ੾Γग़͠ύλʔϯ ᶆ ϒϦοδύλʔϯ ᶇ extensionύλʔϯ ᶈ ๫࿐ύλʔϯ ᶉ ৐ͬऔΓύλʔϯ ᶊ ࣸܦύλʔϯ

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. Կ͔ʹࣅ͍ͯΔ 45 ᶃ Ԇ໋ύλʔϯ ᶄ ͝৽نύλʔϯ ᶅ ੾Γग़͠ύλʔϯ ᶆ ϒϦοδύλʔϯ ᶇ extensionύλʔϯ ᶈ ๫࿐ύλʔϯ ᶉ ৐ͬऔΓύλʔϯ ᶊ ࣸܦύλʔϯ h)p://www.sbcr.jp/products/4797311126.html gof  σβΠϯύλʔϯ

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. Կ͔ʹࣅ͍ͯΔ 45 ᶃ Ԇ໋ύλʔϯ ᶄ ͝৽نύλʔϯ ᶅ ੾Γग़͠ύλʔϯ ᶆ ϒϦοδύλʔϯ ᶇ extensionύλʔϯ ᶈ ๫࿐ύλʔϯ ᶉ ৐ͬऔΓύλʔϯ ᶊ ࣸܦύλʔϯ h)p://www.sbcr.jp/products/4797311126.html gof  σβΠϯύλʔϯ Bridgeύλʔϯ

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. Կ͔ʹࣅ͍ͯΔ 46 ᶃ Ԇ໋ύλʔϯ ᶄ ͝৽نύλʔϯ ᶅ ੾Γग़͠ύλʔϯ ᶆ ϒϦοδύλʔϯ ᶇ extensionύλʔϯ ᶈ ๫࿐ύλʔϯ ᶉ ৐ͬऔΓύλʔϯ ᶊ ࣸܦύλʔϯ

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. Կ͔ʹࣅ͍ͯΔ 46 ᶃ Ԇ໋ύλʔϯ ᶄ ͝৽نύλʔϯ ᶅ ੾Γग़͠ύλʔϯ ᶆ ϒϦοδύλʔϯ ᶇ extensionύλʔϯ ᶈ ๫࿐ύλʔϯ ᶉ ৐ͬऔΓύλʔϯ ᶊ ࣸܦύλʔϯ h)p://www.shoeisha.co.jp/book/detail/9784798116839 ϨΨγʔίʔυվળΨΠυ

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. Կ͔ʹࣅ͍ͯΔ 46 ᶃ Ԇ໋ύλʔϯ ᶄ ͝৽نύλʔϯ ᶅ ੾Γग़͠ύλʔϯ ᶆ ϒϦοδύλʔϯ ᶇ extensionύλʔϯ ᶈ ๫࿐ύλʔϯ ᶉ ৐ͬऔΓύλʔϯ ᶊ ࣸܦύλʔϯ h)p://www.shoeisha.co.jp/book/detail/9784798116839 ϨΨγʔίʔυվળΨΠυ • εϓϥ΢τϝιου   • εϓϥ΢τΫϥε   • ੩తϝιουͷެ։ ςετίʔυΛॻͨ͘ΊͷϦϑΝΫλϦϯάख๏

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 47 ᶃ Ԇ໋ύλʔϯ ᶄ ͝৽نύλʔϯ ᶅ ੾Γग़͠ύλʔϯ ᶆ ϒϦοδύλʔϯ ᶇ extensionύλʔϯ ᶈ ๫࿐ύλʔϯ ᶉ ৐ͬऔΓύλʔϯ ᶊ ࣸܦύλʔϯ Mix-and-MatchΛ࢖ͬͨSwiftҠߦύλʔϯ طଘͷιϑτ΢ΣΞ։ൃٕ๏ͷ׆༻ʹΑΓ   εϜʔζɾ҆શʹSwi7ҠߦՄೳ

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ·ͱΊ Objective-C͔ΒSwiftԽ΁ͷҠߦ͸େมʁ 49

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ·ͱΊ Objective-C͔ΒSwiftԽ΁ͷҠߦ͸େมʁ →·ͣ͸؆୯ͳύλʔϯ͔Βࢼͯ͠ΈΔ 49

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ·ͱΊ Objective-C͔ΒSwiftԽ΁ͷҠߦ͸େมʁ →·ͣ͸؆୯ͳύλʔϯ͔Βࢼͯ͠ΈΔ • Ԇ໋ύλʔϯ 49

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ·ͱΊ Objective-C͔ΒSwiftԽ΁ͷҠߦ͸େมʁ →·ͣ͸؆୯ͳύλʔϯ͔Βࢼͯ͠ΈΔ • Ԇ໋ύλʔϯ • ͝৽نύλʔϯ 49

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ·ͱΊ Objective-C͔ΒSwiftԽ΁ͷҠߦ͸େมʁ →·ͣ͸؆୯ͳύλʔϯ͔Βࢼͯ͠ΈΔ • Ԇ໋ύλʔϯ • ͝৽نύλʔϯ ׳Ε͖ͯͨΒ͍ΖΜͳύλʔϯΛࢼ͢ 49

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ·ͱΊ Objective-C͔ΒSwiftԽ΁ͷҠߦ͸େมʁ →·ͣ͸؆୯ͳύλʔϯ͔Βࢼͯ͠ΈΔ • Ԇ໋ύλʔϯ • ͝৽نύλʔϯ ׳Ε͖ͯͨΒ͍ΖΜͳύλʔϯΛࢼ͢ ύλʔϯʹ͍ͭͯ͋Ε͜Εߟ͑Δͷ΋ָ͍͠ 49

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ·ͱΊ Objective-C͔ΒSwiftԽ΁ͷҠߦ͸େมʁ →·ͣ͸؆୯ͳύλʔϯ͔Βࢼͯ͠ΈΔ • Ԇ໋ύλʔϯ • ͝৽نύλʔϯ ׳Ε͖ͯͨΒ͍ΖΜͳύλʔϯΛࢼ͢ ύλʔϯʹ͍ͭͯ͋Ε͜Εߟ͑Δͷ΋ָ͍͠ ⁃ ଞʹ΋ྑ͍ύλʔϯ͕͋Γͦ͏ 49

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ·ͱΊ Objective-C͔ΒSwiftԽ΁ͷҠߦ͸େมʁ →·ͣ͸؆୯ͳύλʔϯ͔Βࢼͯ͠ΈΔ • Ԇ໋ύλʔϯ • ͝৽نύλʔϯ ׳Ε͖ͯͨΒ͍ΖΜͳύλʔϯΛࢼ͢ ύλʔϯʹ͍ͭͯ͋Ε͜Εߟ͑Δͷ΋ָ͍͠ ⁃ ଞʹ΋ྑ͍ύλʔϯ͕͋Γͦ͏ ⁃ ໊͔͍͍ͬ͜લر๬ 49

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 50 objc

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swi7 Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 50 objc

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 56 ਐ ௙ Ͳ ͏ Ͱ ͢ ͔

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ϚϯΨϘοΫεͷݱࡏͷSwiftԽ཰ 17%ఔ౓ ·ͩ·ͩ͜Ε͔Β 57

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ࠓޙͷ༧ଌʢࡶʣ 58 2020೥  ver5.6  ʹͯSwi7Խ཰100%౸ୡ༧ఆʢࡶʣʂʂʂ

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Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 59 Let’s Objc to Swift !

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