You want to add a property to an existing… - Swift | Daily iOS

Back to question bank

SwiftXiaohongshu

Extensions and stored properties

You want to add a property to an existing type with an extension. Computed properties work, so why not stored properties?

Your answer

SwiftMultiple choiceExpert
What does this code print? …
#extension
SwiftMultiple choiceBasics
Which statements about a lazy var stored property are correct? Pick all that apply.
#stored-property
SwiftMultiple choiceBasics
What happens when you compile this code? And if you change the same definition to class P…
#memory-layout
SwiftShort answerBasics
In one file you have class A { fileprivate func secret() {} } and class B. Can B call A()…
#extension