You try to declare weak var delegate… - Memory and ARC | Daily iOS

Back to question bank

Memory and ARC

Delegates and weak references

You try to declare weak var delegate: MyDelegate? and the compiler rejects it. Why, and how do you fix it?

Your answer

UIKitShort answerBasics
Why did Apple design UITableView with two protocols, dataSource and delegate, instead of …
#delegate #protocol
Memory and ARCMultiple choiceIntro
Which of the following statements about weak references are correct? Select all that appl…
#weak
Memory and ARCShort answerBasics
A view controller doesn't seem to leave memory after you close its screen. How would you …
#weak
Memory and ARCShort answerBasics
When would you use unowned instead of weak?
#weak