What exactly is Apple's Swift language?
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The Swift language released by Apple has become a highlight of this year's Apple Worldwide Developers Conference. It is said that only one day after its release, the e-book about this language has been downloaded more than 370,000 times. Why is this new programming language so popular? Swift language is a new programming language for iOS and OS X application programming. Apple claims that Swift is superior to the commonly used Objective-C language in all aspects, and does not have many complex symbols and expressions. At the same time, Swift is faster, more convenient, more efficient and safer. And it is compatible with Object-C. The biggest feature of this language is the Xcode Playgrounds function, which can realize real-time preview of code effects. That is, when entering code on the left side of the screen, the code execution effect is demonstrated in real time on the right screen. So what is the significance of this language for developers? Why is it popular with developers? 1. Swift lowers the threshold for developers to use Swift language is very consistent with the slogan of this WWDC: Write the code, change the world. (Write code, change the world). The new language Swift concentrates on the shadows of many other high-level languages and integrates their advantages. It is somewhat similar to languages such as Go, Ruby, and Python. And its syntax is closer to natural language, making the programming process easier. These changes further lower the threshold for App development on the Apple platform, continuing Apple's consistent advocacy of using App to solve all problems. This will be an important link in Apple's ecological chain. The new version of the integrated development environment Xcode launched with Swift already fully supports the use of Swift. The online documentation attached to Xcode also puts Swift instructions next to the original Objective-C content, which shows how much Apple attaches importance to the development of Swift. This also confirms the aforementioned point that Apple is lowering the threshold of the most important link in its ecological chain, which will further enhance Apple's own competitiveness. 2. Swift language is still imperfect. At present, Swift is not perfect enough, such as the limited support for complex data structures and the few third-party libraries that can be used. However, its appearance represents the rapid development of programming methods close to natural language syntax, allowing everyone to see a bright future: everyone who wants to write an App can easily get started and quickly develop a pretty good App. Of course, Swift will also bring many limitations, such as cross-platform issues, etc.: Like Objective-C, it is based on the LLVM compiler and currently cannot work on Android and Windows Phone. Therefore, it is definitely not the first choice for cross-platform App developers at present. Moreover, from the perspective of reverse engineering, Swift and Objective-C share runtime functions, making it look more like an elegant package of Objective-C. 3. It is an innovation of programming language The Playground function in Swift language is a highlight. The real-time compilation and display results of Playground make programming more popular and interesting. And this innovative interactive programming method is likely to be extended to the field of education. Maybe one day the boring language and algorithm courses in universities will be subverted by this intuitive form. Overall, the prospects for Swift are good. The syntax of Swift is quite simple. It combines the advantages of many excellent computer languages. As the Swift language gradually matures, it will win the support of more developers. As a winner of Toutiao's Qingyun Plan and Baijiahao's Bai+ Plan, the 2019 Baidu Digital Author of the Year, the Baijiahao's Most Popular Author in the Technology Field, the 2019 Sogou Technology and Culture Author, and the 2021 Baijiahao Quarterly Influential Creator, he has won many awards, including the 2013 Sohu Best Industry Media Person, the 2015 China New Media Entrepreneurship Competition Beijing Third Place, the 2015 Guangmang Experience Award, the 2015 China New Media Entrepreneurship Competition Finals Third Place, and the 2018 Baidu Dynamic Annual Powerful Celebrity. |
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