Let us: Go! 2019 fall https://iosdevkor.github.io/let_us_go_2019_fall/ Swift 개발이 좋아요.

1. Swift !!
? Swift ..
Clint Jang https://github.com/ClintJang

2. ??
‘Swift’ ?
Swift

4. Swift .

5. Swift .??
X ..

6. Swift .??
X ..
… 😓

7. .!!

8. .!!

11. ?
Swift

12. !!!
…

13. ..

15. 30
..
Why? Swift..
Clint
?
..

16. 30
Why?
Clint
?

17. • Swift
•
• Swift
•
? ..
Swift ..
..
Swift .
?
??
.

18. Swift
!!
(1/4)

19. iOS
21%
16%
12%
iOS
12%
16%
Swift
23%
?
(1/3)6
(100)

20. Swift ..
.. ..
.. .
. ( )
..
..
?
(2/3)

21. .. ..
.. ? ..
…
iOS ..
. ..
..
???
..
.
.
?
(3/3)
…

22. ??
‘Swift’ ?

23. Swift ..
(2/4)

24. RxSwift
2018.12
2019.11
Mobile-Game
Android
Android Swift
2017.09
C, C++, Jsp,
Flash, VB ..
(h60),
iPod ( ) /
Windows Mobile
6.0/6.5 ..
iOS (Objc)
2010.05
Swift 1.0
2014.06
Spring Framework
ASP.NET, asp
2014.06
2016.10
React Native
2018.5
PhoneGap

25. Web
React-
Native
Objective
-C
Swift (iOS, ) ..
.
.

26. Web
React-
Native
Objective
-C
.
Swift (iOS, ) ..
…?
.

27. Web
React-
Native
Objective
-C
.
Swift (iOS, ) ..
…?
.
Debugging

28. Web
React-
Native
Objective
-C
.
?
.
Swift (iOS, ) ..
.
.
ASP.NET, asp,
Spring
Framework
Debugging

29. Debugging
Web
React-
Native
Objective-
C
.
?
.
.
.
Swift (iOS, ) ..
.
Eclipse
Android Studio

30. Web
React-
Native
Objective
-C
.
?
.
.
.
.
Swift (iOS, ) ..
Debugging

31. Debugging
Web
React-
Native
Objective
-C
.
?
.
.
.
Nil
!!
Swift (iOS, ) ..
.
MRC, ARC
MVC
UI: Code, Xib, Storyboard
PhoneGap, Ionic,
React-Native
SI

32. Debugging
Web
React-
Native
Objective
-C
.
?
.
.
.
Nil
!!
Swift (iOS, ) ..
.
..
Objc, MRC

33. Web
React-
Native
Objective
-C
.
?
.
.
.
Nil
!!
Swift (iOS, ) ..
.
Debugging

34. Swift
Swift .
? .(3/4)

35. • iOS 8, Swift 1.0
• Xcode 8, Swift 3
• Swift 5.1
Swift

36. ! .

37. Objc
enum
struct
closer
@, ..
protocol
Extension
map, filter,
Objc Swift ?
let, var
..

38. Objc
enum
struct
closer
@, ..
protocol
Extension
map, filter,
Objc Swift ?
let, var
..
.
…

39. Swift : Value , Protocol
https://academy.realm.io/kr/posts/letswift-swift-performance/?
Value ..?
..
.. .. Swift ..
.

40. Swift Internals- LLVM, Type system, Swift Foundation
https://academy.realm.io/kr/posts/swift-internals-llvm-type-system-swift-foundation/
..
… ???
… …

41. 2017.11.04( ) let us: Go!
iOS !
!!! !!
🐻

42. Yagom
, , ..
.
.

43. FP, OOP, POP

44. , ,
FP, OOP, POP

45. , , Swift
.
FP, OOP, POP

46. , , Swift
.
MVC, MVP, MVVM, MVVM-C, VIPER, ..
FP, OOP, POP

47. , , Swift
.
MVC, MVP, MVVM, MVVM-C, VIPER, ..
ReactiveX, RxSwift, RxCocoa, Rx..
FP, OOP, POP

48. , , Swift
.
MVC, MVP, MVVM, MVVM-C, VIPER, ..
ReactiveX, RxSwift, RxCocoa, Rx..
ReactorKit, Clean Architecture, RIBs … TDD
FP, OOP, POP

49. , , Swift
.
MVC, MVP, MVVM, MVVM-C, VIPER, ..
ReactiveX, RxSwift, RxCocoa, Rx..
ReactorKit, Clean Architecture, RIBs … TDD, , , ..
.
FP, OOP, POP

50. ??
..(4/4)

51. Swift
.
1/3

52. Swift
.
1/3
????????

53. ?
??
?? ??
😭
…………

54. ?
? !! ??
..
?
, !!!!!!

55. ?
? !! ??
..
?
, !!!!!!
??

56. Swift .. .. .!!!
😀

57. .
Swift .. .. .!!!
😀

58. 2/3

59. @Optional
@Required@Optional @Optional@Required
@Optional
@Optional
@Required
@Optional
…
( , .. )
@Removed
,
@Optional

60. 10 / ~ 60
exception in thread main exception in thread main
60 ???10 ??
Max Range (50 )
20 / ~ 40 /
Normal Max Range (20 )
(standard deviation)
@Required
68 ~ 95%
14~ 19
..

61. 14~19 minus @
@ : Optional
…

62. .
?

63. .
?
… .

64. https://subokim.wordpress.com/2015/02/10/old-developers-advice-for-startup/
65

65. 3/3
. 🙇

66. • Swift ! ?
• Swift ~
• ..
• ..
• Swift .
• …

68. Hard
Challenging
Difficult
..
..

69. Hard
Challenging
Difficult
.
..
👍

70. –Clint Jang
“ ?
~
‘Swift’ .”

72. .