_listCacheHas.js (403B)
1 var assocIndexOf = require('./_assocIndexOf'); 2 3 /** 4 * Checks if a list cache value for `key` exists. 5 * 6 * @private 7 * @name has 8 * @memberOf ListCache 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 */ 12 function listCacheHas(key) { 13 return assocIndexOf(this.__data__, key) > -1; 14 } 15 16 module.exports = listCacheHas;