How do I import the new logging functions in iOS 10 / Sierra / Xcode 8?

Question

There is a new logging system in iOS 10 and macOS Sierra.

But I can\'t seem to make it work in Xcode. os_log is not recognized, and neither is any other func

Answer 1

In Swift:

import os

os_log("Some message")

In Objective-C:

#import 

os_log(OS_LOG_DEFAULT, "Some message");