Package list

• card China identify card utils
• container some data containers e.g. concurrent map, queue
• crypt encryption and decryption utils
• fs file system utils
• number some util funcs for number e.g. Format
• osinfo get os info for linux/darwin/windows
• slice some util funcs for slice(int/string) e.g. RemoveDuplicates, Diff
• strings some extension util funcs for string e.g. SubString, SubStr
• alg some common algrithms e.g. BFPRT