{"id":3000,"date":"2019-06-17T06:18:21","date_gmt":"2019-06-17T13:18:21","guid":{"rendered":"https:\/\/careerkarma.com\/blog\/?p=3000"},"modified":"2020-12-29T12:53:01","modified_gmt":"2020-12-29T20:53:01","slug":"how-to-debug-swift","status":"publish","type":"post","link":"https:\/\/careerkarma.com\/blog\/how-to-debug-swift\/","title":{"rendered":"How to Debug Swift for Beginners"},"content":{"rendered":"\n

If you dream of designing software for Apple IOS and Mac OS, you\u2019ll need to learn the most common Apple languages. As an Apple developer, you\u2019ll become familiar with C and Objective C, which have been Apple\u2019s building blocks for many years. To be a competitive IOS\/OS programmer, though, you\u2019ll need to become a Swift-development whiz. Swift is a new language designed for Apple platforms that combine the best of the earlier programming languages into a powerful and easy-to-use coding option, and you can expect to use it more and more as Apple moves into the future. That\u2019s why it\u2019s crucial to know how to debug Swift.
<\/p>\n\n\n\n

We\u2019ll help you get started on your Swift debugging adventures by going over the Swift debugging process and explaining how to systematically walk through your code to identify and squash any bugs you find. We\u2019ll show you how a good debugger can make the difference between painless error identification and correction, and an agonizing and frustrating buggy nightmare. Before long, you\u2019ll be cutting through Swift errors like a scythe through tall grass.<\/p>\n\n\n\n

\"\"
Look out, bugs! Here comes a curved knife!<\/figcaption><\/figure>\n\n\n\n

Use a Debugger<\/strong><\/h2>\n\n\n\n

While Swift is the latest and greatest Apple language and has lots of exciting bells and whistles to make your programming experience easier and more intuitive, its debugging toolkit needs augmentation for best results. You\u2019ll find that a quality debugger will make your error-elimination tasks much quicker and more effective. A debugger gives you the advantage of not having to track down your errors in a production environment and, instead, clear up any potential issues in a closed, confined setup before bringing the code into the real world.
<\/p>\n\n\n\n

You can find many excellent Swift debuggers on GitHub and other developer forums. I recommend LLDB<\/a>, which has a good set of features to let you dig into your code. It\u2019s an excellent choice when you\u2019re looking for a little extra muscle in your debugging process. Because LLDB is open-source software, it is continually updated, too. Make sure to check the LLDB GitHub repository whenever you use LLDB to ensure that you\u2019re running the latest version.
<\/p>\n\n\n\n

Go Through Your Variable Values<\/strong><\/h2>\n\n\n\n

You\u2019ve found a debugger that works for you and are ready to get on with this error-correction rodeo. So, how do you use the debugger to fix your code? You\u2019ll need to use the debugger to examine your variable values throughout the program. That might sound intimidating, but determining values are what debuggers are all about, and they make the process as painless as possible. Your debugger will let you move from expression to expression and walk you through your variables until you find the one that you need to change.
<\/p>\n\n\n\n

Maybe you\u2019re not getting the expected answer when you run a particular function. You can jury-rig a patch by adding a line of code that results in the correct answer no matter what– but that\u2019s sloppy and is a workaround rather than a solution. You\u2019re much better off using the command \u201c(lldb) e\u201d followed by a variable or expression (when using LLDB).  Other debuggers have similar commands. When you run this command, your debugger will pull apart your specified variable or expression and allow you to examine its parts.
<\/p>\n\n\n\n

That\u2019s the long and short of it. Swift is the newest and fanciest Apple programming language, and learning it is a requirement for any up-and-coming developer. Along with knowing how to write Swift, though, you\u2019ll need to know how to debug it, and our guide will help you create a viable debugging process that allows you to squash Swift bugs in a flash. You\u2019ll be stunned at how easy it can be.<\/p>\n","protected":false},"excerpt":{"rendered":"If you dream of designing software for Apple IOS and Mac OS, you\u2019ll need to learn the most common Apple languages. As an Apple developer, you\u2019ll become familiar with C and Objective C, which have been Apple\u2019s building blocks for many years. To be a competitive IOS\/OS programmer, though, you\u2019ll need to become a Swift-development…","protected":false},"author":21,"featured_media":2755,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[18070],"tags":[],"class_list":{"0":"post-3000","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-software-engineering-skills"},"acf":{"post_sub_title":"","sprint_id":"","query_class":"Software Engineering","school_sft":"","parent_sft":"","school_privacy_policy":"","has_review":null,"is_sponser_post":"","is_guest_post":""},"yoast_head":"\nHow to Debug Swift for Beginners | Career Karma<\/title>\n<meta name=\"description\" content=\"Swift is the latest and greatest Apple programming language, but how do you debug it? 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