Method set

lib/util/comparators.js:415–422

* Updates value using the provided key1. * @param {K1} key1 first key * @param {K2} key2 second key * @param {T | undefined} value new value * @returns {void}

(key1, key2, value)

	 * @returns {void}
	 */
	set(key1, key2, value) {
		let childMap = this._map.get(key1);
		if (childMap === undefined) {
			childMap = new WeakMap();
			this._map.set(key1, childMap);
		}
		childMap.set(key2, value);
	}
}

/** @type {TwoKeyWeakMap<Comparator<EXPECTED_ANY>, Comparator<EXPECTED_ANY>, Comparator<EXPECTED_ANY>>}} */