Swift 3 preview 1 in xcode 8 and copyBytes


I am porting a code from swift 1.2 to 3.0 and fails to transform getBytes to copyBytes<Float> ?

Is the new snapshots resolve this ?

And the question I have, because it is not the first issues I got : difference between the 3.0 doc and the compiling error, do I miss something when tuning Xcode projets settings ?

Thanx in advance