0
无法推断出通用参数S.无法推断出通用参数S
var buff:[Int8] = [Int8](repeating:0,count:16)
...
var addr = String(bytes: buff, encoding: String.Encoding.utf8)
无法推断出通用参数S.无法推断出通用参数S
var buff:[Int8] = [Int8](repeating:0,count:16)
...
var addr = String(bytes: buff, encoding: String.Encoding.utf8)
根据the documentation,buff
需要为类型S其中S : Sequence, S.Iterator.Element == UInt8
的。所以你需要它是一组UInt8's而不是Int8的
import Foundation
var buff:[UInt8] = [UInt8](repeating:0,count:16)
var addr = String(bytes: buff, encoding: .utf8)