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;