Closures are a fundamental and incredibly powerful feature in Swift, enabling flexible and expressive code. If you've written any Swift code beyond the absolute basics, you've undoubtedly encountered them – whether explicitly defining a block of code or implicitly using them with higher-order functions like map or filter, or even handling UI events.
For intermediate iOS developers, a surface-level understanding of closures isn't enough. To truly leverage their power and avoid common pitfalls like retain cycles or unexpected behavior, we…
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