The update() method inserts the given element in the set.
Example
// create a dictionary with two elements
var information: Set = [54, 34, 35]
// insert 76 to information
information.update(with: 76)
// print updated dictionary
print(information)
// Output: [34, 54, 76, 35]
update() Syntax
The syntax of the update() method is:
set.update(with: newElement)
Here, set is an object of the Set class.
update() Parameters
The update() method takes one parameter:
newElement- the new element to insert in set
update() Return Value
- The
update()method doesn't return any value. It just updates set.
Example: Swift Set update()
// create a set with three elements
var employees: Set = ["Sabby", "Nick", "Cathy"]
print("Before:", employees)
// insert "Katty" to employees
employees.update(with: "Katty")
// print updated set
print("Updated:", employees)
Output
Before: ["Cathy", "Sabby", "Nick"] Updated: ["Katty", "Cathy", "Sabby", "Nick"]