snydeq writes: InfoWorld's Paul Solt outlines how Apple has made good on Swift's emphasis on performance, approachability, and ease in its latest update, offering up seven worthwhile enhancements to Swift 2, along with code samples. 'Many of the enhancements to Swift, through both the Swift 2.0 update and subsequent Swift 2.1 update, have made the language more explicit and intentional, and in turns, Swift 2 code will be safer and easier to maintain for years to come (especially now that Swift is open source). New language constructs (keywords) in Swift 2 improve the readability of control flow — the order in which lines of code are executed. Thanks to these new keywords, collaborating on Swift code will be much more productive and efficient.'
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