How to check if a set is empty in Swift?

// Swift program to check if the given set is empty or not
import Swift

// Creating an set of EmployeeSalary
// Here the set is of int type
var GEmpSalary: Set = [30000, 12200, 14000, 67800, 10000, 90000]

// Checking the given set is empty or not
// Using isEmpty property
var result1 = GEmpSalary.isEmpty

// Displaying the result
print("Is the GEmpSalary is empty or not?", result1)

// Creating an empty set of int type
var GEmployee = [Int]()

// Finding the total number
var result2 = GEmployee.isEmpty

// Displaying the result
print("Is the GEmployee is empty or not?", result2)

// Swift program to check if the given set is empty or not
import Swift

// Creating an set of Authors Name
// Here the set is of string type
var GName: Set = ["Minaxi", "Prita", "Mona", "Guri", "Om", "Rohit"]

// Checking the given set is empty or not
// Using isEmpty property
if (GName.isEmpty == true)
{
    print("Yes! the given Set is empty")
}
else
{
    print("No! the given Set is not empty")
}