Could anyone please help with some Swift programming questions?

Question 1

Closures are value types.

True

False

Question 2

A closure is said to escape a function when the closure is passed as an argument to the function, but is called after the function returns.

True

False

Question 3

An autoclosure can take arguments.

True

False

Question 4

Marking a closure with @escaping means you have to refer to self explicitly within the closure.

True

False

Question 5

A closure that is supplied as the last parameter to a function can be placed after the function call's parentheses and doesn't include the argument label.

True

False

Question 6

A closure cannot capture constants and variables from the surrounding context in which it is defined.

True

False

Question 7

Which of the following must be placed before a closure's parameter type in a function if the closure is escaping?

@escaping

@escape

#escaping

#escape

Question 8

The start of the closures body is introduced by which of the following?

{

in

:

->

Question 9

Swift automatically provides shorthand argument names to inline closures, which can be used to refer to the values of the closures arguments. Which of the following represents how the shorthand arguments are named?

$a, $b, $c, ...

$0, $1, $2, ...

_0, _1, _2, ...

arg0, arg1, arg2, ...

Question 10

A function receives a closure as its last parameter as shown below.

func myFunction(data: Data, closure: () -> Void) { // function body goes here }

Which of the following calls the function with the closure as a trailing closure?

myFunction(data: theData, closure: { // closure's body goes here })

myFunction(data: theData) (closure: { // closure's body goes here })

myFunction(data: theData) { // closure's body goes here }

myFunction(data: theData, { // closure's body goes here })