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September 19, 2016 08:00 pm

Apple Releases Swift 3.0, 'Not Source-Compatibile With Swift 2.3'

An anonymous Slashdot reader quotes InfoWorld:"Move fast and break things," the saying goes. Apple does both with the 3.0 version of its Swift programming language...its first full point revision since it became an open source project... In a blog post detailing the full body of changes for Swift 3.0, Apple singled out the two biggest breaking changes. The first is better translation of Objective-C APIs into Swift, meaning that code imported from Objective-C and translated into Swift will be more readable and Swift-like. The bad news is any code previously imported from Objective-C into Swift will not work in Swift 3; it will need to be re-imported. The other major change... Most every item referenced in the standard library has been renamed to be less wordy. But again, this brings bad news for anyone with an existing Swift codebase: Apple says "the proposed changes are massively source-breaking for Swift code, and will require a migrator to translate Swift 2 code into Swift 3 code." Apple will provide migration tools in version 8.0 of their XCode IDE, "but such tools go only so far," notes the article, questioning what will happen to the Linux and Windows ports of Swift.

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