Swift map & flatMap
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The document discusses the map and flatMap functions in Swift and how they relate to functional programming concepts like Functors and Monads. It provides examples of using map and flatMap with Array and Optional types, noting that Array and Optional conform to both the Functor and Monad protocols. References for further reading on Functors, Applicatives, and Monads are also included.
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Swift map & flatMap
- 1. Swift map & flatMap Sai Li @ Swift Taipei Yowoo Tech. 2017 / 8 / 8 [email protected]
- 2. ƒ(x) = x + 1
- 3. Sequence: map & flatMap
- 8. Optional
- 10. Difference?
- 11. Read the Fucking Source Code! :-) Linus Trovalds
- 20. Functor
- 24. Functor Optional and Array are Functors
- 25. Monad
- 26. Monad Optional and Array are Monad
- 28. References • http://www.infoq.com/cn/articles/swift-brain-gym-map-and-flatmap • http://www.mokacoding.com/blog/functor-applicative-monads-in- pictures/ • https://www.walldevil.com/wallpapers/a28/funny-wallpaper- wallpapers.jpg • http://jiyinyiyong.github.io/monads-in-pictures/ • static5.businessinsider.com/image/4d6c271ccadcbb3b132c0000/ linus-torvalds-loves-his-macbook-air.jpg