Debugging is a unique and essential skill that’s similar but different to regular coding. As you’ve just seen, there are lots of options to choose from, and you will – I promise! – use all of them at some point. Yes, even
There's more to learn about debugging, such as the Step Into and Step Out commands, but realistically you need to start with what you have before you venture any further. I would much rather you mastered three of the debugging tools available to you rather than having a weak grasp of all of them.
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Paul Hudson is the creator of Hacking with Swift, the most comprehensive series of Swift books in the world. He's also the editor of Swift Developer News, the maintainer of the Swift Knowledge Base, and Mario Kart world champion. OK, so that last part isn't true. If you're curious you can learn more here.