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Swift Introduction to Swift in Ruby
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@josephku
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370,000
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Safe Modern Power
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No base class
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@objc
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Playground
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Visual REPL
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Use constant
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let var
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Unicode
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π
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String Interpolation
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let name = "Afu" let age = 3 let greetings = "Hi! My name is \(name). My human age is \(age * 7)" println(greetings)
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puts "Hi! I am #{name}. My human age is #{age * 7}"
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Array & Dictionary
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Array & Hash
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1..10 1…10
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if true { println("only me!") }
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Functional Programming
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Structure & Class
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Extensions
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500.repeatitions { println("Me again!") }
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500.times { puts "Me again!" }
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Tuple
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let someTuple: (Double, Double) = (3.14159, 2.71828)
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?
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var serverResponseCode: Int? = 404 serverResponseCode = nil
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Optional Chaining
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num = paul.residence?.address?.buildingNumber?.toInt()
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RubyMotion
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C’mon, it’s Ruby!!
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?
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Thank you!