I highly recommend that you refresh your memory with «Swift 5.0 Release Process» because Swift 5 is almost here. It was expected and announced with Swift 5 Roadmap, but still. Source compatibility with Swift 3 is no more. Supported values for the -swift-version flag are 4, 4.2, and 5. So, do read the «What’s new in Swift 5.0» post from Paul Hudson if you want to know more about what is coming. This is a huge topic and I have mixed feelings about the feature. Desugars to `x.dynamicall圜all(withKeywordArguments: ) Desugars to `x.dynamicall圜all(withArguments: )` ( SE-0216)įunc dynamicall圜all(withArguments: ) The primary use case is dynamic language interoperability. The lets you call named types like you call functions using a simple syntactic sugar. If you want to know more about the state of ABI, follow the links: Swift - ABI Dashboard and Swift ABI Stability Manifesto. Anyway, I even know people who rewrite their Apple Watch extensions to Objective C to reduce the size of binary (something like 15MB vs ~1MB in Objective C). Not because of side-effects but because of Swift’s failure to deliver on previous promises. I think this is the one of the most significant issues at the moment with Swift. Application Binary Interface stability is coming! And this is excellent news. As a result, Swift apps can be smaller when deployed for testing using TestFlight, or when thinning an app archive for local development distribution. Let’s start with the most exciting news: Swift apps no longer include dynamically linked libraries for the Swift standard library and Swift SDK overlays in build variants for devices running iOS 12.2, watchOS 5.2, and tvOS 12.2. Swift 5 for Xcode 10.2 beta Swiftįirstly, the latest Xcode beta is bundled with the following Swift version: Apple Swift version 5.0 (swiftlang-1001.0.45.7 clang-1001.0.37.7) New betas are here and these are some of the most important things that I have learned about them.
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