Why the weak and non-crops still confuse the developers iOS seniors | by the developer of mobile applications | August 2025

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I still remember the moment.
We examined a traction request and someone had written:

weak var delegate: LoginDelegate?

Another development immediately jumped:

“Why not do it unowned? The delegate will always exist anyway.

Then someone else said:

“No, use weak. Sure. “”

And suddenly we had three senior iOS developers who were arguing two keywords who was supposed simplify Memory management.

This is where it struck me: even after years of experience, weak And unowned Always confuse us. For what? Because difference is not only a question of syntax – this is the way we Predict the lifetime of objectsin which humans are famous.

Crétons.