>Swift uses reference counting under the hood because of its Objective-C runtime ties, not because reference counting is better than tracing garbage collection. Not really. Obj-C already had a GC and dropped it, to implement ARC because it's faster and more memory efficient. The Swift Programming Language, a free 500-page manual, was also released at WWDC, and is available on the iBooks Store and the official website. Swift reached the 1.0 milestone on September 9, 2014, with the Gold Master of Xcode 6.0 for iOS. Swift 1.1 was released on October 22, 2014, alongside the launch of Xcode 6.1. Swift User Guide 1 / 43 1 Overview Swift is a data-?ow oriented coarse grained scripting language that supports dataset typing and mapping, dataset iteration, con-ditional branching, and procedural composition. Swift programs (or work?ows) are written in a language called Swift. 301 Moved Permanently. nginx/1.14.0 magical, high performance programming language for game development. Get it on Github View Examples Kit is a programming language designed for creating concise, high performance cross-platform applications. Kit compiles to ANSI C99, so it's highly portable; it can be used in addition to or as an alternative to C, and was designed with game development in mind. How Deinitialization Works¶. Swift automatically deallocates your instances when they are no longer needed, to free up resources. Swift handles the memory management of instances through automatic reference counting (ARC), as described in Automatic Reference Counting.Typically you don't need to perform manual cleanup when your instances are deallocated. Contribute to apple/swift development by creating an account on GitHub. Writing High-Performance Swift Code. Enabling Optimizations; Every time we move the reference Swift will increment the reference count of the next object and decrement the reference count of the previous object In swift, Automatic Reference Counting (ARC) is used to perform a