2014-06-17 Presented on Ruby Tuesday #29

1. Swift Introduction to Swift in Ruby

2. @josephku

5. 370,000

6. Safe
Modern
Power

9. No base class

10. @objc

11. Playground

12. Visual REPL

13. Use constant

14. let
var

15. Unicode

16. π

17. String Interpolation

18. let name = "Afu"
let age = 3
let greetings = "Hi! My name is (name).
My human age is (age * 7)"
println(greetings)

19. puts "Hi! I am #{name}. My human age is #{age * 7}"

20. Array & Dictionary

21. Array & Hash

22. 1..10
1…10

23. if true {
println("only me!")
}

24. Functional
Programming

25. Structure & Class

26. Extensions

27. 500.repeatitions { println("Me again!") }

28. 500.times { puts "Me again!" }

29. Tuple

30. let someTuple: (Double, Double) = (3.14159, 2.71828)

31. ?

32. var serverResponseCode: Int? = 404
serverResponseCode = nil

33. Optional Chaining

34. num = paul.residence?.address?.buildingNumber?.toInt()

35. RubyMotion

36. C’mon, it’s Ruby!!

37. ?

38. Thank you!