Slides used for introduction to swift given at "Let's Talk Apple" in Aarhus

1. Let’s Talk SWIFT
30 min / 30 slides

2. Hej! Mig?
1.
— linkedin.com/jacobhhansen
— IT-Minds siden 2011
— iOS siden 2012

3. Definition
2.
“builds on the best of C and Objective-C”
“Swift has been years in the making.”
“a new language for the future of Apple software
development.”

4. Definition
2.
“builds on the best of C and Objective-C”
“Swift has been years in the making.”
“a new language for the future of Apple software
development.”

5. 3. Ny syntax!

6. Deklarer en variable
4.
— Variabler og konstanter
Var myInt : Int = 2
Let myString : String = “Hej”
— Strongly Typed
— Type Inference
— Og....Emojies

7. 5. Funktioner

8. 6. Print Variabler
NSLog(@”Hej”);
Println(“Hej”)
NSLog(@”Hej %@”, navn);
Println(“Hej (navn)”)

9. Standard Types
7.
— String
— Character
— Int (32 / 64 bits)
— Double / Float
— Bool
— Array
— Dictionary

10. Array / Dictionary
8.
— Has a type!
— Short Hand
— Shortest Hand
— Mutable / Immutable

11. Objective-C kompabilitet
9.
— Bridge Header filer
— Generated Header (#import “appname-swift.h”

12. Platform
10.
— iOS7 + 8
— OS X Yosemite + Mavericks

13. PlayGrounds
11.

14. PlayGrounds
11.

15. 11. PlayGrounds

16. PlayGrounds
11.

17. PlayGrounds
11.

18. Enum
12.

19. Switch
13.
— Must be exhaustive
— Don’t falll through on its own
— Pattern Matching

20. Associated/Raw Values
14.

21. Optionals
15.
— Alt kan være nil

22. Optional binding
16.

23. 17. Optional Chaining

24. Protocols
18.
— No optionals
— Er typer (Delegation)
— Blueprint
Metoder
Operatorer
Subscripts
Properties

25. 18. Protocols

26. REPL
19.
— Read-Eval-Print-Loop
— Kør Scripts!

27. Closures
20.
— Fungerer som blocks / lambdas
— Global / Nested / Expressions

28. Tuple
21.
— Midlertidig datastruktur

29. Ranges
22.
— Shortcut!

30. Ranges
22.
— Shortcut!

31. Operators
23.
— Overload Operators (class / struct level)
— Custom operators
Infix / Prefix / Postfix
/, =, -, +, !, *, %, <, >, &, |, ^, or ~

32. Struct / Class
24.
— Class er reference (heap)
— Struct er værdi (stack) + ingen nedarvning

33. No Header!
25.
— Show what it is

34. Init / Deinit
26.
— Alt skal initialiseres!

35. Init / Deinit
26.
— Alt skal initialiseres!

36. Init / Deinit
26.
— Alt skal initialiseres!

37. Init more
27.

38. Generics
28.

39. Generics
28.
+Type Constraints

40. Og meget mere…
29.
— Private / Public
— Property Observers
— Subscripts
— Extensions

41. Lær Mere!
30.
— https://developer.apple.com/swift/
— The Swift Programming Language
— Using Swift with Cocoa and Objective-C
— WWDC14