Swift 4 - Speaker Deck

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SWIFT � BAS BROEK @BASTHOMAS 1

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SWIFT ɣ BAS BROEK @BASTHOMAS 2

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EXPECTED RELEASE DATE: LATE 2017 3

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STAGE 1 & 2 4

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STAGE 1 5

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STRINGS 6

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NO 8

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STRINGS IN SWIFT 4 RE-EVALUATE THE API1 2 Localization & internationalization itself are planned for Swift 5 1 https://github.com/apple/swift/blob/master/docs/StringManifesto.md 9

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STRINGS IN SWIFT 4 RE-EVALUATE THE API1 > How to use internationalization API's correctly2 2 Localization & internationalization itself are planned for Swift 5 1 https://github.com/apple/swift/blob/master/docs/StringManifesto.md 9

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STRINGS IN SWIFT 4 RE-EVALUATE THE API1 > How to use internationalization API's correctly2 > Better unicode support 2 Localization & internationalization itself are planned for Swift 5 1 https://github.com/apple/swift/blob/master/docs/StringManifesto.md 9

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STRINGS IN SWIFT 4 RE-EVALUATE THE API1 > How to use internationalization API's correctly2 > Better unicode support > No more .characters for most operations 2 Localization & internationalization itself are planned for Swift 5 1 https://github.com/apple/swift/blob/master/docs/StringManifesto.md 9

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STRINGS IN SWIFT 4 RE-EVALUATE THE API1 > How to use internationalization API's correctly2 > Better unicode support > No more .characters for most operations > Supporting Range in favor of NSRange 2 Localization & internationalization itself are planned for Swift 5 1 https://github.com/apple/swift/blob/master/docs/StringManifesto.md 9

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STRINGS IN SWIFT 4 RE-EVALUATE THE API1 > How to use internationalization API's correctly2 > Better unicode support > No more .characters for most operations > Supporting Range in favor of NSRange > Improved string interpolation & formatting 2 Localization & internationalization itself are planned for Swift 5 1 https://github.com/apple/swift/blob/master/docs/StringManifesto.md 9

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STRINGS IN SWIFT 4 RE-EVALUATE THE API1 > How to use internationalization API's correctly2 > Better unicode support > No more .characters for most operations > Supporting Range in favor of NSRange > Improved string interpolation & formatting > Regex 2 Localization & internationalization itself are planned for Swift 5 1 https://github.com/apple/swift/blob/master/docs/StringManifesto.md 9

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WHAT ABOUT SOURCE STABILITY? 12

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SE-01413 TO THE RESCUE @available(swift 4, *) extension Collection { func index(offset: IndexDistance) -> Index { return index(startIndex, offsetBy: offset) } func offset(of i: Index) -> IndexDistance { return distance(from: startIndex, to: i) } } 3 https://github.com/apple/swift-evolution/blob/master/proposals/0141-available-by-swift-version.md 13

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! 14

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STAGE 2 "SOME TIME IN SPRING 2017" 15

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SWIFT-EVOLUTION4 4 https://apple.github.io/swift-evolution/ 16

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WHAT IS UPON US?5 5 https://github.com/apple/swift-evolution/pulls? utf8=✓&q=label%3A%22out%20of%20scope%20for%20current%20release%22 17

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WHAT IS UPON US?5 > Enforce calling super 5 https://github.com/apple/swift-evolution/pulls? utf8=✓&q=label%3A%22out%20of%20scope%20for%20current%20release%22 17

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WHAT IS UPON US?5 > Enforce calling super > Multi-line string literals 5 https://github.com/apple/swift-evolution/pulls? utf8=✓&q=label%3A%22out%20of%20scope%20for%20current%20release%22 17

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WHAT IS UPON US?5 > Enforce calling super > Multi-line string literals > User-provided warning diagnostics at compile time 5 https://github.com/apple/swift-evolution/pulls? utf8=✓&q=label%3A%22out%20of%20scope%20for%20current%20release%22 17

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WHAT IS UPON US?5 > Enforce calling super > Multi-line string literals > User-provided warning diagnostics at compile time > The pipeline (|>) operator 5 https://github.com/apple/swift-evolution/pulls? utf8=✓&q=label%3A%22out%20of%20scope%20for%20current%20release%22 17

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WHAT IS UPON US?5 > Enforce calling super > Multi-line string literals > User-provided warning diagnostics at compile time > The pipeline (|>) operator > Increased Objective-C & Swift interoperability 5 https://github.com/apple/swift-evolution/pulls? utf8=✓&q=label%3A%22out%20of%20scope%20for%20current%20release%22 17

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WHAT IS UPON US?5 > Enforce calling super > Multi-line string literals > User-provided warning diagnostics at compile time > The pipeline (|>) operator > Increased Objective-C & Swift interoperability > Much more once Stage 2 starts... 5 https://github.com/apple/swift-evolution/pulls? utf8=✓&q=label%3A%22out%20of%20scope%20for%20current%20release%22 17

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AND OF COURSE... 7 https://github.com/swift-server 6 https://lists.swift.org/pipermail/swift-evolution-announce/2017-January/000307.html 18

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AND OF COURSE... > Swift Package Manager improvements6 7 https://github.com/swift-server 6 https://lists.swift.org/pipermail/swift-evolution-announce/2017-January/000307.html 18

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AND OF COURSE... > Swift Package Manager improvements6 > Swift on the server7 7 https://github.com/swift-server 6 https://lists.swift.org/pipermail/swift-evolution-announce/2017-January/000307.html 18

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AND OF COURSE... > Swift Package Manager improvements6 > Swift on the server7 > ??? 7 https://github.com/swift-server 6 https://lists.swift.org/pipermail/swift-evolution-announce/2017-January/000307.html 18