The insert() method inserts a value or an element to a set in Swift.
set.insert(element)
element: This is the element we want to insert into the set.
It returns a boolean value and also the element we want to insert. The boolean denotes if the insertion was successful.
// create some setsvar evenNumbers : Set = [10, 2, 6, 8, 4]var oddNumbers : Set = [11, 5, 7, 3, 9]var first_names : Set = ["john", "jane", "henry", "mark"]// insert some elements and store resultslet ins1 = evenNumbers.insert(45)let ins2 = oddNumbers.insert(13)let ins3 = first_names.insert("Theodore")let ins4 = first_names.insert("")// print inserted resultsprint(ins1)print(ins2)print(ins3)print(ins4)// print setsprint(evenNumbers)print(oddNumbers)print(first_names)
insert() method to insert some elements into the sets. We also store the returned results into some variables.