Fair warning: closures are widely considered the hardest topic in Swift. So if you read this and feel your brain doing something uncomfortable, that's completely normal. You're not missing something everyone else gets — closures genuinely take time to click, and even experienced Swift developers remember struggling with them at first. 🍥
Think of it like cycling uphill. It's hard while you're doing it. But once you reach the top, everything that comes after gets much easier — and in SwiftUI, closures are everywhere, so the climb is worth it.
Let's take it one small step at a time.
What Even Is a Closure?
You already know what a function is:
