Swift 4

We will be taking a look at the two stages in which Swift 4.0 will be developed and what we can expect from that. We will also take a look at the evolution proposals that are awaiting us in Stage 2.

This talk was presented at CocoaHeads NL.

Transcript

1. SWIFT �
   BAS BROEK
   @BASTHOMAS
   1
   

   View Slide

2. SWIFT ɣ
   BAS BROEK
   @BASTHOMAS
   2
   

   View Slide

3. EXPECTED RELEASE DATE:
   LATE 2017
   3
   

   View Slide

4. STAGE 1 & 2
   4
   

   View Slide

5. STAGE 1
   5
   

   View Slide

6. STRINGS
   6
   

   View Slide

7. !
   7
   

   View Slide

8. NO
   8
   

   View Slide

9. 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
   

   View Slide

10. 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
    

    View Slide

11. 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
    

    View Slide

12. 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
    

    View Slide

13. 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
    

    View Slide

14. 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
    

    View Slide

15. 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
    

    View Slide

16. !
    10
    

    View Slide

17. !
    11
    

    View Slide

18. WHAT ABOUT SOURCE STABILITY?
    12
    

    View Slide

19. 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
    

    View Slide

20. !
    14
    

    View Slide

21. STAGE 2
    "SOME TIME IN SPRING 2017"
    15
    

    View Slide

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

    View Slide

23. 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
    

    View Slide

24. 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
    

    View Slide

25. 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
    

    View Slide

26. 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
    

    View Slide

27. 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
    

    View Slide

28. 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
    

    View Slide

29. 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
    

    View Slide

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

    View Slide

31. 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
    

    View Slide

32. 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
    

    View Slide

33. 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
    

    View Slide

34. WORLD
    DOMINATION
    19
    

    View Slide

35. @BASTHOMAS
    @SWIFTLYBRIEF8
    8 https://swiftweekly.github.io
    20
    

    View Slide