Swift, Apple’s language of choice, gets a major refresh

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To help Swift more secure, this latest edition also comes with runtime checking of “Exclusive Access to Memory” on by default. The net result is that it “eliminates dangerous program interactions involving mutable state and action at a distance.”

This just touches the surface of Swift’s changes. For more, see the Swift migration guide and the updated The Swift Programming Language manual. Want to play with Swift 5? Paul Hudson, writer, programmer, and head of Hacking with Swift has created a Xcode Playground to play with Swift 5.0.

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