If you don't want your code to be public, licence it... You can put a licence.txt in your code, but people will ignore it. If you really don't want your code to

If you don't want your code to be public, licence it... You can put a licence.txt in your code, but people will ignore it. If you really don't want your code to be in public, don't publish it at all. I personally think Copilot is training on all the code. It's not verifiable so I go with the worst case scenario. But it shouldn't be a problem if you don't publish code that's licensed. Lines of code shouldn't even be copyrightable. But that's a whole other discussion.