How can you avoid a strong reference cycle in a closure?

What is wrong with this code? if let s = String.init("some string") { print(s)}

Which code snippet correctly creates a typealias closure?

How do you reference class members from within a class?

All value types in Swift are _ under the hood?

What is the correct way to add a value to this array? var strings = [1, 2, 3]

Properties in the Apple Swift language?

ln Apple Swift. which of the following operators are right-associative?

In Apple Swift, which of the following variables and constants are computed lazily?

In Apple Swift, which of the following statements are incorrect regarding structures?

Which of the following statements are incorrect regarding a deinitializer in Apple Swift?