WHAT IS SWIFT?
Swift is a general-purpose, multi-paradigm, compiled programming language developed by Apple Inc. and the open-source community.
FOUNDATION OF SWIFT:
Chris Lattner (born 1978) is an American software engineer best known as the main author of LLVM and related projects such as the Clang compiler and the Swift programming language. He joined SiFive as Senior Vice President of Platform Engineering, after two years at Google Brain. Before that, he briefly served as Vice President of Autopilot Software at Tesla, Inc. and worked at Apple Inc. as Senior Director of the Developer Tools department, leading the Xcode, Instruments, and compiler teams.
The development of Swift started in July 2010 by Chris Lattner, with the eventual collaboration of many other programmers at Apple. Swift took language ideas "from Objective-C, Rust, Haskell, Ruby, Python, C#, CLU, and far too many others to list".On June 2, 2014, the Apple Worldwide Developers Conference (WWDC) application became the first publicly released app written with Swift. A beta version of the programming language was released to registered Apple developers at the conference, but the company did not promise that the final version of Swift would be source code compatible with the test version.
The Swift Programming Language, a free 500-page manual, was also released at WWDC and is available on the Apple Books 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 1.2 was released on April 8, 2015, along with Xcode 6.3. Swift 2.0 was announced at WWDC 2015 and was made available for publishing apps in the App Store on September 21, 2015. Swift 3.0 was released on September 13, 2016, Swift 4.0 was released on September 19, 2017. Swift 4.1 was released on March 29, 2018.
Swift won first place for Most Loved Programming Language in the Stack Overflow Developer Survey 2015 and second place in 2016.
On December 3, 2015, the Swift language, supporting libraries, debugger, and package manager was open-sourced under the Apache 2.0 license with a Runtime Library Exception, and Swift.org was created to host the project. The source code is hosted on GitHub, where it is easy for anyone to get the code, build it themselves, and even create pull requests to contribute code back to the project.
In December 2015, IBM announced its Swift Sandbox website, which allows developers to write Swift code in one pane and display output in another. The Swift Sandbox was deprecated in January 2018.
During the WWDC 2016, Apple announced an iPad exclusive app, named Swift Playgrounds, intended to teach people how to code in Swift. The app is presented in a 3D video game-like interface which provides feedback when lines of code are placed in a certain order and executed.
Swift is an open-source programming language with first-class functions for iOS and macOS development, created by Apple and introduced at Apple's developer conference Apple Worldwide Developers Conference (WWDC) 2014.
Swift is designed to coexist with Objective-C, the object-oriented programming language formerly preferred by Apple, and to be more resilient against erroneous code. It is built with the LLVM compiler included in Xcode 6.
The goal of the Swift project is to create the best available language for uses ranging from systems programming to mobile and desktop apps, scaling up to cloud services.
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