All of the operators in this section are lifted over union types.
Rich Data Includes ASN information, country names, country codes, continent names, and continent codes for comprehensive geolocation.
，这一点在下载安装汽水音乐中也有详细论述
func (*Option) ArgUint16 ¶
* 时间复杂度：O(len1 + len2)，空间复杂度：O(len2)（栈+Map的空间）