Swift - weak self in didSet
didset, swift, weak-references
Solution
`didSet` is not a closure, you cannot use a closure syntax for it.
There is no reason to use `weak self` there. a `didSet` handler won't create ownership cycles in the same way a method doesn't create them.
Problem
I rarely see people using `[weak self]` in `didSet`. Is there a reason for this? I tried to use `[weak self]` in my `didSet` of a variable: ``` var data: Dictionary<String, Any>! { // [1] didSet { [2] self?.layoutSubviews() } } ``` Either I put `[weak self] in` at [1] or [2], I still get the error: `Use of unresolved identifier weak` Why is that? Is it illegal to use `[weak self]` for a `didSet` ? Regards,