Anthony Anthony - 21 days ago 6
iOS Question

swift 3 ios : convert UInt8 Array to int8

i have an UInt8 array that contains values between 0 and 255

i would like to convert this array to Int8 array in order to contains values between -128 and 127

How to achieve this in swift?

Answer

Use map and the appropriate initialiser:

let intArray = uintArray.map { Int8(bitPattern: $0) }