1var getMapData = require('./_getMapData');
2
3/**
4 * Checks if a map value for `key` exists.
5 *
6 * @private
7 * @name has
8 * @memberOf MapCache
9 * @param {string} key The key of the entry to check.
10 * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
11 */
12function mapCacheHas(key) {
13  return getMapData(this, key).has(key);
14}
15
16module.exports = mapCacheHas;
17