Method constructor

src/lualib/Set.ts:12–32

(values?: Iterable<T> | T[])

    private previousKey = new LuaTable<T, T>();

    constructor(values?: Iterable<T> | T[]) {
        if (values === undefined) return;

        const iterable = values as Iterable<T>;
        if (iterable[Symbol.iterator]) {
            // Iterate manually because Set is compiled with ES5 which doesn't support Iterables in for...of
            const iterator = iterable[Symbol.iterator]();
            while (true) {
                const result = iterator.next();
                if (result.done) {
                    break;
                }
                this.add(result.value);
            }
        } else {
            const array = values as T[];
            for (const value of array) {
                this.add(value);
            }
        }
    }

    public add(value: T): Set<T> {
        const isNewValue = !this.has(value);