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The Gourmet iOS Developer’s Cookbook: Even More Recipes for Better iOS App Development by Erica Sadun

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11. A Taste of Swift

Apple introduced the Swift programming language at the June 2014 WWDC Keynote. Swift offers a performance-tuned type-safe modern programming language. The initial release was a beta, but by that autumn, Swift 1.0 was officially adopted for app development and submission. Even at 1.0, the language remained in flux. When Swift 1.2 arrived in 2015, many development fundamentals had coalesced, although the language and toolset were continuing to evolve.

If this sounds like a nearly impossible target to write about, well it is—at least to a point. Today, you can pick up Swift basics and be more or less assured that the floor isn’t going to shift under you—or your code—for many essential tasks. The code you write today will probably ...

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