The removeAll() method removes all the elements from the set.
Example
var numbers: Set = [2,4,6,8]
// remove all elements
numbers.removeAll()
print(numbers)
// Output: []
removeAll() Syntax
The syntax of the removeAll() method is:
set.removeAll()
Here, set is an object of the Set class.
removeAll() Parameters
The removeAll() method doesn't take any parameter.
removeAll() Return Value
The removeAll() method doesn't return any value. It only removes elements from the set.
Example: Swift Set removeAll()
var languages: Set = ["Swift","Java","C"]
print("Programming Languages:", languages)
// removing all elements from set
languages.removeAll()
print("Set after removeAll:", languages)
Output
Programming Languages: ["Java", "Swift", "C"] Set after removeAll: []