code: function listCacheSet$3(key, value) {
  	  var data = this.__data__,
  	      index = _assocIndexOf(data, key);
  
  	  if (index < 0) {
  	    ++this.size;
  	    data.push([key, value]);
  	  } else {
  	    data[index][1] = value;
  	  }
  	  return this;
  	}
docs: Sets the list cache `key` to `value`.
  
  @private
  @name set
  @memberOf ListCache
  @param {string} key The key of the value to set.
  @param {*} value The value to set.
  @returns {Object} Returns the list cache instance.