importassocIndexOffrom'./_assocIndexOf.js'; /** Used for built-in method references. */var arrayProto =Array.prototype; /** Built-in value references. */var splice = arrayProto.splice; /** * Removes `key` and its value from the list cache. * * @private * @name delete * @memberOf ListCache * @param {string} key The key of the value to remove. * @returns {boolean} Returns `true` if the entry was removed, else `false`. */functionlistCacheDelete(key){var data =this.__data__, index =assocIndexOf(data, key); if(index <0){returnfalse;}var lastIndex = data.length-1;if(index == lastIndex){ data.pop();}else{ splice.call(data, index,1);}--this.size;returntrue;} exportdefault listCacheDelete;