swift - 将字符串转换为 UnsafeMutablePointer迅速

Question

有没有办法可以将字符串转换为UnsafeMutablePointer<UInt8>Swift 语言，避免数据丢失？

Answer 1

let s = "83"
var i: UInt8 = UInt8.init(s)!
let up: UnsafeMutablePointer<UInt8> = UnsafeMutablePointer<UInt8>.init(&i)