What will be the output of the following lines of code?

What data types are functions and closures in Swift?

When we assign a class instance to a property, constant, or variable, what type of referencing takes place?

Which of the following operators can be used in Swift to check if a variable or constant has a value and, if not, use a default value?

This is also called the nil-coalescing operator.

What is the role of subscripts in programming?

You use subscripts to set and retrieve values by _____ without needing separate methods for setting and retrieval.

To modify value types like structures and enumerations within an instance method, what type of function should be used?

What happens if you try to access a default member-wise initializer after defining a custom initializer?

If you don't provide a unique or explicit definition for a required initializer in Swift, what will happen?

What is the type of anotherVar in the following code?

The type is with respect to computed properties.

struct Test {

var someVar: Int = 0

var anotherVar: Int {

return someVar

}

}