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Brooklyn Swift Developers Meetup June 17, 2014 Swift: The Basics

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WWDC 2014 Brooklyn Swift Developers Meetup

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“And One More Thing…” Brooklyn Swift Developers Meetup

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Early Reactions Brooklyn Swift Developers Meetup

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Early Reactions Brooklyn Swift Developers Meetup

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Early Reactions Brooklyn Swift Developers Meetup

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Early Reactions Brooklyn Swift Developers Meetup “HOLY FUCK” - me

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Early Reactions Brooklyn Swift Developers Meetup “FUCK YEAH” - me 5 min later

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Early Reactions Brooklyn Swift Developers Meetup

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Early Reactions Brooklyn Swift Developers Meetup

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Early Reactions Brooklyn Swift Developers Meetup

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Early Reactions Brooklyn Swift Developers Meetup

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Early Reactions Brooklyn Swift Developers Meetup

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Swift Brooklyn Swift Developers Meetup

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Swift Brooklyn Swift Developers Meetup Convenience of a Modern Scripting language with the Performance of Objective-C

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Swift vs. Objective-C Brooklyn Swift Developers Meetup

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Swift vs. Objective-C Brooklyn Swift Developers Meetup Namespaces • Class names scoped to module (ie. framework) • No more class prefixes

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Swift vs. Objective-C Brooklyn Swift Developers Meetup Type Safety • Compiler performs type checks to find mismatched types • Allows for type inference var heyStr = “Hey”

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Swift vs. Objective-C Brooklyn Swift Developers Meetup Closures • Nameless function constructed as another function's argument • Equivalent to Blocks numbers.map({ (number: Int) -> Int in let result = 3 * number return result })

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Swift vs. Objective-C Brooklyn Swift Developers Meetup Tuples • Group multiple values to single value • Supports multiple types let someTuple = (10, true, “Hello”) // type (Int, Bool, String) let anotherTuple = (arg1: 100, arg2: “Hi”) // anotherTuple.arg1, anotherTuple.arg2

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Playground Brooklyn Swift Developers Meetup

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Playground Brooklyn Swift Developers Meetup • Interactive coding environment for testing • Immediate feedback

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Brooklyn Swift Developers Meetup

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DEMO Brooklyn Swift Developers Meetup

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Questions? Brooklyn Swift Developers Meetup

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Resources Brooklyn Swift Developers Meetup • The Swift Programming Language
 https://itunes.apple.com/us/book/swift-programming-language/ id881256329?mt=11 • WWDC 2014 Videos
 https://developer.apple.com/videos/wwdc/2014 • Ray Wenderlich Tutorials
 http://www.raywenderlich.com/tutorials • Swift Video Tutorials
 http://swiftvideotutorials.com

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Github: https://github.com/marcdown Twitter: @heymarcbrown Source: https://github.com/marcdown/SwiftPlayground Brooklyn Swift Developers Meetup Thanks!