format

HashSet.Add(item)

class: HashSet

description

Add an element to the collection.

parameter

param_name	type	description
item	T|null	The value of the element.

reture

type	description
void

code example

let myHashSet  = new HashSet<String>(String);
// Add elements to myHashSet
myHashSet.Add("apple");
myHashSet.Add("banana");
myHashSet.Add("orange");