Debugging is an everyday task for a developer that is usually done to fix a bug. There is no right or wrong way for debugging, and there is no formula to find where the issue is. On the other hand, we have some tricks that can help us find where the bug is. In this section, you are going to see some of them. They can be very useful if you would like to modify any app in this book and you don't get the expected result.

First of all, let's see a common problem. Swift was created to be compatible with Objective-C and Objective-C in its early days was created to be some kind of Smalltalk over the C layer. The idea at that time was to create a language where containers and functions didn't need to be of only a specific type like an array of ...

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