Updated for Xcode 13.3
We’ve covered a lot about closures in the previous chapters, so let’s recap:
Void– also known as “nothing”.
$1, but I would recommend doing that only under some conditions.
Of all the various parts of the Swift language, I’d say closures are the single toughest thing to learn. Not only is the syntax a little hard on your eyes at first, but the very concept of passing a function into a function takes a little time to sink in.
So, if you’ve read through these chapters and feel like your head is about to explode, that’s great – it means you’re half way to understanding closures!
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