NSData from Byte array in Swift

Question

I\'m trying to create an NSData var from an array of bytes.

In Obj-C I might have done this:

NSData *endMarker = [[NSData al

Answer 1

You don't need to extend Data, in Swift 3 you can do this:

let bytes:[UInt8] = [0x00, 0x01, 0x02, 0x03]
let data = Data(bytes: bytes)
print(data as NSData)

Prints "<00010203>"

To get the byte array again:

let byteArray:[UInt8] = [UInt8](data)