var getMapData = require('./_getMapData');
/**
* Checks if a map value for `key` exists. * * @private * @name has * @memberOf MapCache * @param {string} key The key of the entry to check. * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`. */
function mapCacheHas(key) {
return getMapData(this, key).has(key);
}
module.exports = mapCacheHas;