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Strong - weak cycle

#1

Hi,
In chapter 13 - the prepare(for:sender:) You mention which part is the weak part of the strong-weak cycle. Can I ask you which part is the strong part of the cycle?
Is it prepare(for: sender:)?
Is that method strong reference?

Sorry If it is a silly question, but I am still confused. Maybe in the next version of the book it could be explained that which part is strong. I understood the weak part. So there is no ownership cycle.

Many thanks

#2

@noah8610 Do you still have issues with this?