And since Swift Playgrounds uses real Swift code, projects can be exported directly to Xcode® and ultimately be turned into full-fledged iOS and Mac® apps.
The Swift 3 API Design Guidelines Review repository provides a way tosee how this automatic translation affects Swift code that uses Cocoa and Cocoa Touch.
Swift Guideline Checking: Existing Swift code has been written to follow a variety of different coding styles, including the Objective-C Coding Guidelines for Cocoa.
优化了代码的大小,导致Swift代码的编译尺寸更小。
Code size optimization has reduced the compiled size of Swift code.
Codebeat可以让你所编写的Swift和Obj-C代码更快得到反馈。
Codebeat lets you instantly get feedback on your Swift and Obj-C code.
Swift编译器的主要职责是把Swift代码转换为可执行的机器代码。
The Swift compiler is principally responsible for translating Swift source code into efficient, executable machine code.
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