A Set is a collection of unique elements that supports efficient membership tests and operations like union and intersection.
import { Set } from "collection-kit";
import { Set } from "collection-kit";
const set = new Set();
set.add(10);
set.add(20);
set.add(10); // duplicate, won't be added
console.log("Size:", set.size()); // 2
console.log("Contains 20:", set.contains(20)); // true
set.remove(10);