Explore practical approaches to cross-platform Swift development in this 26-minute conference talk from try! Swift Tokyo 2016. Learn how to write, test, debug, and deploy Swift code across multiple platforms while maintaining Cocoa and Objective-C functionality where available. Discover insights from JP Simard, a Realm developer and creator of the jazzy documentation tool, as he shares strategies for leveraging Swift beyond iOS applications. Gain valuable knowledge on utilizing Swift Package Manager, implementing the Swift Result Library, and conducting state testing. Perfect for developers looking to expand their Swift skills beyond Apple's ecosystem.