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Fun with Swift 4 KeyPaths

Avatar for John Estropia John Estropia
September 17, 2017
Technology
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Fun with Swift 4 KeyPaths

My Lightning Talk at iOSDC 2017 Japan

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John Estropia

September 17, 2017
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Transcript

  1. Fun with Swift 4 KeyPaths iOSDC 2017 John Estropia

  2. • @JohnEstropia • Senior Engineer @ • iOS։ൃ • OSS

    ࣗݾ঺հ http://github.com/JohnEstropia/CoreStore

  3. Swift 4 Smart Keypaths

  4. KVC: Before vs. After Swift 3 Swift 4

  5. KVC: Before vs. After Swift 3 Swift 4

  6. KVO: After Swift 4

  7. Fun with Swift 4 KeyPaths

  8. Predicates (Before)

  9. ͜ͷॻ͖ํ͕Ͱ͖Δͱ࠷ߴͰ͠ΐ͏ʁ

  10. ͜ͷॻ͖ํ͕Ͱ͖Δͱ࠷ߴͰ͠ΐ͏ʁ

  11. KeyPath × Generics × Custom Operator

  12. Custom Operator

  13. KeyPath Generics

  14. KeyPath Generics ͕͜͜Smartʂ

  15. KeyPath→String

  16. ൿີຐ๏property KeyPath→String

  17. Nice Predicates

  18. Sample: CoreStore ( prototype/queryBuilders branch )

  19. Sample: CoreStore ( prototype/queryBuilders branch )

  20. Ҏ্ɺThanks!

  21. େืूதʂ