Swift Playgrounds App For Mac
Swift Playgrounds User Guide
When you want to see the product of your code, you need to run it. If your playground has a live view, it can reflect the result of your code. In some playgrounds, you can have result icons appear to the right of your code as it runs, and then click them to see the value of your results.
If you want to visualize the flow of your running code or debug it, you can have Swift Playgrounds highlight each line of code as it runs, helping you identify where problems occur.
Swift is a robust and intuitive programming language created by Apple for building apps for iOS, Mac, Apple TV, and Apple Watch. It’s designed to give developers more freedom than ever. Swift is easy to use and open source, so anyone with an idea can create something incredible. Swift Playgrounds is a development environment for Swift that was released to macOS within Xcode on June 2, 2014, and later ported to iPad on September 13, 2016. The Mac Catalyst version of the. And in the WWDC app. Overview; Create Swift Playgrounds content for iPad and Mac. Learn how to create Swift Playgrounds books that work fluidly across both Mac and iPad and help people of all ages explore the fun of coding in Swift. We'll walk you through how to customize content for each platform while considering platform settings, and help.
Run code
In Swift Playgrounds app on Mac, click Run My Code (or use the Touch Bar).
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To rerun it, click Run My Code again. (If it’s already running, click Stop, then click Run My Code.)
Highlight code or change the animation speed
When you run code in Swift Playgrounds on Mac, you can do any of the following:
Highlight code as it runs: Click , then choose Step Through My Code.
To highlight your code at a slower pace, choose Step Slowly.
Change the animation speed in the live view: On some playground pages, you can run the code faster by clicking , then choosing Run Fastest or Run Faster.
To return to the default run speed, choose Run My Code.
See a result after running code
In some playgrounds on Mac, you can click , then turn on Enable Results to see result icons appear to the right of your code.
The result icon changes based on the type of information in the result. For example, if you assign “Hello, playground” to a string variable and run your code, you see a result icon with “abc” on it. Click the result icon to see the value of the result.
Real time machine status reporting (Position, feed, spindle speed, buffer state. Buffer status report needs to enabled using the setting $10=2). Uses buffered streaming. Simple and powerful jogging control with corner jogging.Tip: To see the value of the result in your code after it’s run, click the result icon, then click “Add viewer.” To remove the viewer, click the result icon again, then click “Remove viewer.”
If your code doesn’t run
If your code doesn’t run, a colored dot appears next to the line of code with an issue.
Swift Playgrounds On Mac
Click the dot to see an explanation of the issue and any suggestions for how to fix it.
Swift Playgrounds App For Mac Pro
To reset your playground after entering and running code, see Reset a playground.