Method set

src/lualib/Map.ts:91–109

(key: K, value: V)

    }

    public set(key: K, value: V): this {
        const isNewValue = !this.has(key);
        if (isNewValue) {
            this.size++;
        }
        this.items.set(key, value);

        // Do order bookkeeping
        if (this.firstKey === undefined) {
            this.firstKey = key;
            this.lastKey = key;
        } else if (isNewValue) {
            this.nextKey.set(this.lastKey!, key);
            this.previousKey.set(key, this.lastKey!);
            this.lastKey = key;
        }

        return this;
    }

    public [Symbol.iterator](): IterableIterator<[K, V]> {
        return this.entries();